16858902825

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{5531}}^1$

素因数の和:5620

約数の個数: 144

約数和(自身を含む): 34243522560

約数和(自身を除く): 17384619735

約数列:

[1, 3, 5, 9, 15, 19, 23, 25, 31, 45, 57, 69, 75, 93, 95, 115, 155, 171, 207, 225, 279, 285, 345, 437, 465, 475, 575, 589, 713, 775, 855, 1035, 1311, 1395, 1425, 1725, 1767, 2139, 2185, 2325, 2945, 3565, 3933, 4275, 5175, 5301, 5531, 6417, 6555, 6975, 8835, 10695, 10925, 13547, 14725, 16593, 17825, 19665, 26505, 27655, 32085, 32775, 40641, 44175, 49779, 53475, 67735, 82965, 98325, 105089, 121923, 127213, 132525, 138275, 160425, 171461, 203205, 248895, 315267, 338675, 381639, 414825, 514383, 525445, 609615, 636065, 857305, 945801, 1016025, 1144917, 1244475, 1543149, 1576335, 1908195, 2417047, 2571915, 2627225, 3048075, 3180325, 3257759, 3943603, 4286525, 4729005, 5724585, 7251141, 7715745, 7881675, 9540975, 9773277, 11830809, 12085235, 12859575, 16288795, 19718015, 21753423, 23645025, 28622925, 29319831, 35492427, 36255705, 38578725, 48866385, 59154045, 60426175, 74928457, 81443975, 98590075, 108767115, 146599155, 177462135, 181278525, 224785371, 244331925, 295770225, 374642285, 543835575, 674356113, 732995775, 887310675, 1123926855, 1873211425, 3371780565, 5619634275, 16858902825]

約数ペア:

[(1, 16858902825), (3, 5619634275), (5, 3371780565), (9, 1873211425), (15, 1123926855), (19, 887310675), (23, 732995775), (25, 674356113), (31, 543835575), (45, 374642285), (57, 295770225), (69, 244331925), (75, 224785371), (93, 181278525), (95, 177462135), (115, 146599155), (155, 108767115), (171, 98590075), (207, 81443975), (225, 74928457), (279, 60426175), (285, 59154045), (345, 48866385), (437, 38578725), (465, 36255705), (475, 35492427), (575, 29319831), (589, 28622925), (713, 23645025), (775, 21753423), (855, 19718015), (1035, 16288795), (1311, 12859575), (1395, 12085235), (1425, 11830809), (1725, 9773277), (1767, 9540975), (2139, 7881675), (2185, 7715745), (2325, 7251141), (2945, 5724585), (3565, 4729005), (3933, 4286525), (4275, 3943603), (5175, 3257759), (5301, 3180325), (5531, 3048075), (6417, 2627225), (6555, 2571915), (6975, 2417047), (8835, 1908195), (10695, 1576335), (10925, 1543149), (13547, 1244475), (14725, 1144917), (16593, 1016025), (17825, 945801), (19665, 857305), (26505, 636065), (27655, 609615), (32085, 525445), (32775, 514383), (40641, 414825), (44175, 381639), (49779, 338675), (53475, 315267), (67735, 248895), (82965, 203205), (98325, 171461), (105089, 160425), (121923, 138275), (127213, 132525)]