31115985

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{233}}^1\times {\mathrm{307}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 51891840

約数和(自身を除く): 20775855

約数列:

[1, 3, 5, 15, 29, 87, 145, 233, 307, 435, 699, 921, 1165, 1535, 3495, 4605, 6757, 8903, 20271, 26709, 33785, 44515, 71531, 101355, 133545, 214593, 357655, 1072965, 2074399, 6223197, 10371995, 31115985]

約数ペア:

[(1, 31115985), (3, 10371995), (5, 6223197), (15, 2074399), (29, 1072965), (87, 357655), (145, 214593), (233, 133545), (307, 101355), (435, 71531), (699, 44515), (921, 33785), (1165, 26709), (1535, 20271), (3495, 8903), (4605, 6757)]