16245825

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 28230336

約数和(自身を除く): 11984511

約数列:

[1, 3, 5, 15, 25, 53, 61, 67, 75, 159, 183, 201, 265, 305, 335, 795, 915, 1005, 1325, 1525, 1675, 3233, 3551, 3975, 4087, 4575, 5025, 9699, 10653, 12261, 16165, 17755, 20435, 48495, 53265, 61305, 80825, 88775, 102175, 216611, 242475, 266325, 306525, 649833, 1083055, 3249165, 5415275, 16245825]

約数ペア:

[(1, 16245825), (3, 5415275), (5, 3249165), (15, 1083055), (25, 649833), (53, 306525), (61, 266325), (67, 242475), (75, 216611), (159, 102175), (183, 88775), (201, 80825), (265, 61305), (305, 53265), (335, 48495), (795, 20435), (915, 17755), (1005, 16165), (1325, 12261), (1525, 10653), (1675, 9699), (3233, 5025), (3551, 4575), (3975, 4087)]