16428825

素因数分解:

$3^4\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:109

約数の個数: 120

約数和(自身を含む): 37209920

約数和(自身を除く): 20781095

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 27, 35, 45, 57, 61, 63, 75, 81, 95, 105, 133, 135, 171, 175, 183, 189, 225, 285, 305, 315, 399, 405, 427, 475, 513, 525, 549, 567, 665, 675, 855, 915, 945, 1159, 1197, 1281, 1425, 1525, 1539, 1575, 1647, 1995, 2025, 2135, 2565, 2745, 2835, 3325, 3477, 3591, 3843, 4275, 4575, 4725, 4941, 5795, 5985, 6405, 7695, 8113, 8235, 9975, 10431, 10675, 10773, 11529, 12825, 13725, 14175, 17385, 17955, 19215, 24339, 24705, 28975, 29925, 31293, 32025, 34587, 38475, 40565, 41175, 52155, 53865, 57645, 73017, 86925, 89775, 93879, 96075, 121695, 123525, 156465, 172935, 202825, 219051, 260775, 269325, 288225, 365085, 469395, 608475, 657153, 782325, 864675, 1095255, 1825425, 2346975, 3285765, 5476275, 16428825]

約数ペア:

[(1, 16428825), (3, 5476275), (5, 3285765), (7, 2346975), (9, 1825425), (15, 1095255), (19, 864675), (21, 782325), (25, 657153), (27, 608475), (35, 469395), (45, 365085), (57, 288225), (61, 269325), (63, 260775), (75, 219051), (81, 202825), (95, 172935), (105, 156465), (133, 123525), (135, 121695), (171, 96075), (175, 93879), (183, 89775), (189, 86925), (225, 73017), (285, 57645), (305, 53865), (315, 52155), (399, 41175), (405, 40565), (427, 38475), (475, 34587), (513, 32025), (525, 31293), (549, 29925), (567, 28975), (665, 24705), (675, 24339), (855, 19215), (915, 17955), (945, 17385), (1159, 14175), (1197, 13725), (1281, 12825), (1425, 11529), (1525, 10773), (1539, 10675), (1575, 10431), (1647, 9975), (1995, 8235), (2025, 8113), (2135, 7695), (2565, 6405), (2745, 5985), (2835, 5795), (3325, 4941), (3477, 4725), (3591, 4575), (3843, 4275)]