11815125

素因数分解:

$3^1\times 5^3\times 7^2\times {\mathrm{643}}^1$

素因数の和:675

約数の個数: 48

約数和(自身を含む): 22905792

約数和(自身を除く): 11090667

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 125, 147, 175, 245, 375, 525, 643, 735, 875, 1225, 1929, 2625, 3215, 3675, 4501, 6125, 9645, 13503, 16075, 18375, 22505, 31507, 48225, 67515, 80375, 94521, 112525, 157535, 241125, 337575, 472605, 562625, 787675, 1687875, 2363025, 3938375, 11815125]

約数ペア:

[(1, 11815125), (3, 3938375), (5, 2363025), (7, 1687875), (15, 787675), (21, 562625), (25, 472605), (35, 337575), (49, 241125), (75, 157535), (105, 112525), (125, 94521), (147, 80375), (175, 67515), (245, 48225), (375, 31507), (525, 22505), (643, 18375), (735, 16075), (875, 13503), (1225, 9645), (1929, 6125), (2625, 4501), (3215, 3675)]