15801331

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{37}}^1$

素因数の和:108

約数の個数: 36

約数和(自身を含む): 21195792

約数和(自身を除く): 5394461

約数列:

[1, 7, 13, 19, 37, 91, 133, 169, 247, 259, 361, 481, 703, 1183, 1729, 2527, 3211, 3367, 4693, 4921, 6253, 9139, 13357, 22477, 32851, 43771, 61009, 63973, 93499, 118807, 173641, 427063, 831649, 1215487, 2257333, 15801331]

約数ペア:

[(1, 15801331), (7, 2257333), (13, 1215487), (19, 831649), (37, 427063), (91, 173641), (133, 118807), (169, 93499), (247, 63973), (259, 61009), (361, 43771), (481, 32851), (703, 22477), (1183, 13357), (1729, 9139), (2527, 6253), (3211, 4921), (3367, 4693)]