15211371

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 24053760

約数和(自身を除く): 8842389

約数列:

[1, 3, 7, 21, 53, 79, 159, 173, 237, 371, 519, 553, 1113, 1211, 1659, 3633, 4187, 9169, 12561, 13667, 27507, 29309, 41001, 64183, 87927, 95669, 192549, 287007, 724351, 2173053, 5070457, 15211371]

約数ペア:

[(1, 15211371), (3, 5070457), (7, 2173053), (21, 724351), (53, 287007), (79, 192549), (159, 95669), (173, 87927), (237, 64183), (371, 41001), (519, 29309), (553, 27507), (1113, 13667), (1211, 12561), (1659, 9169), (3633, 4187)]