16616925

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:84

約数の個数: 108

約数和(自身を含む): 35399520

約数和(自身を除く): 18782595

約数列:

[1, 3, 5, 9, 13, 15, 19, 23, 25, 39, 45, 57, 65, 69, 75, 95, 115, 117, 169, 171, 195, 207, 225, 247, 285, 299, 325, 345, 437, 475, 507, 575, 585, 741, 845, 855, 897, 975, 1035, 1235, 1311, 1425, 1495, 1521, 1725, 2185, 2223, 2535, 2691, 2925, 3211, 3705, 3887, 3933, 4225, 4275, 4485, 5175, 5681, 6175, 6555, 7475, 7605, 9633, 10925, 11115, 11661, 12675, 13455, 16055, 17043, 18525, 19435, 19665, 22425, 28405, 28899, 32775, 34983, 38025, 48165, 51129, 55575, 58305, 67275, 73853, 80275, 85215, 97175, 98325, 142025, 144495, 174915, 221559, 240825, 255645, 291525, 369265, 426075, 664677, 722475, 874575, 1107795, 1278225, 1846325, 3323385, 5538975, 16616925]

約数ペア:

[(1, 16616925), (3, 5538975), (5, 3323385), (9, 1846325), (13, 1278225), (15, 1107795), (19, 874575), (23, 722475), (25, 664677), (39, 426075), (45, 369265), (57, 291525), (65, 255645), (69, 240825), (75, 221559), (95, 174915), (115, 144495), (117, 142025), (169, 98325), (171, 97175), (195, 85215), (207, 80275), (225, 73853), (247, 67275), (285, 58305), (299, 55575), (325, 51129), (345, 48165), (437, 38025), (475, 34983), (507, 32775), (575, 28899), (585, 28405), (741, 22425), (845, 19665), (855, 19435), (897, 18525), (975, 17043), (1035, 16055), (1235, 13455), (1311, 12675), (1425, 11661), (1495, 11115), (1521, 10925), (1725, 9633), (2185, 7605), (2223, 7475), (2535, 6555), (2691, 6175), (2925, 5681), (3211, 5175), (3705, 4485), (3887, 4275), (3933, 4225)]