15417493

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 20599040

約数和(自身を除く): 5181547

約数列:

[1, 7, 13, 19, 37, 91, 133, 241, 247, 259, 481, 703, 1687, 1729, 3133, 3367, 4579, 4921, 8917, 9139, 21931, 32053, 59527, 62419, 63973, 115921, 169423, 416689, 811447, 1185961, 2202499, 15417493]

約数ペア:

[(1, 15417493), (7, 2202499), (13, 1185961), (19, 811447), (37, 416689), (91, 169423), (133, 115921), (241, 63973), (247, 62419), (259, 59527), (481, 32053), (703, 21931), (1687, 9139), (1729, 8917), (3133, 4921), (3367, 4579)]