28742175

素因数分解:

$3^3\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1$

素因数の和:123

約数の個数: 144

約数和(自身を含む): 67852800

約数和(自身を除く): 39110625

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 25, 27, 33, 35, 45, 49, 55, 63, 75, 77, 79, 99, 105, 135, 147, 165, 175, 189, 225, 231, 237, 245, 275, 297, 315, 385, 395, 441, 495, 525, 539, 553, 675, 693, 711, 735, 825, 869, 945, 1155, 1185, 1225, 1323, 1485, 1575, 1617, 1659, 1925, 1975, 2079, 2133, 2205, 2475, 2607, 2695, 2765, 3465, 3555, 3675, 3871, 4345, 4725, 4851, 4977, 5775, 5925, 6083, 6615, 7425, 7821, 8085, 8295, 10395, 10665, 11025, 11613, 13035, 13475, 13825, 14553, 14931, 17325, 17775, 18249, 19355, 21725, 23463, 24255, 24885, 30415, 33075, 34839, 39105, 40425, 41475, 42581, 51975, 53325, 54747, 58065, 65175, 72765, 74655, 91245, 96775, 104517, 117315, 121275, 124425, 127743, 152075, 164241, 174195, 195525, 212905, 273735, 290325, 363825, 373275, 383229, 456225, 522585, 586575, 638715, 821205, 870975, 1064525, 1149687, 1368675, 1916145, 2612925, 3193575, 4106025, 5748435, 9580725, 28742175]

約数ペア:

[(1, 28742175), (3, 9580725), (5, 5748435), (7, 4106025), (9, 3193575), (11, 2612925), (15, 1916145), (21, 1368675), (25, 1149687), (27, 1064525), (33, 870975), (35, 821205), (45, 638715), (49, 586575), (55, 522585), (63, 456225), (75, 383229), (77, 373275), (79, 363825), (99, 290325), (105, 273735), (135, 212905), (147, 195525), (165, 174195), (175, 164241), (189, 152075), (225, 127743), (231, 124425), (237, 121275), (245, 117315), (275, 104517), (297, 96775), (315, 91245), (385, 74655), (395, 72765), (441, 65175), (495, 58065), (525, 54747), (539, 53325), (553, 51975), (675, 42581), (693, 41475), (711, 40425), (735, 39105), (825, 34839), (869, 33075), (945, 30415), (1155, 24885), (1185, 24255), (1225, 23463), (1323, 21725), (1485, 19355), (1575, 18249), (1617, 17775), (1659, 17325), (1925, 14931), (1975, 14553), (2079, 13825), (2133, 13475), (2205, 13035), (2475, 11613), (2607, 11025), (2695, 10665), (2765, 10395), (3465, 8295), (3555, 8085), (3675, 7821), (3871, 7425), (4345, 6615), (4725, 6083), (4851, 5925), (4977, 5775)]