521305939

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{2707}}^1$

素因数の和:2827

約数の個数: 32

約数和(自身を含む): 676956672

約数和(自身を除く): 155650733

約数列:

[1, 7, 11, 41, 61, 77, 287, 427, 451, 671, 2501, 2707, 3157, 4697, 17507, 18949, 27511, 29777, 110987, 165127, 192577, 208439, 776909, 1155889, 1220857, 1816397, 6770207, 8545999, 12714779, 47391449, 74472277, 521305939]

約数ペア:

[(1, 521305939), (7, 74472277), (11, 47391449), (41, 12714779), (61, 8545999), (77, 6770207), (287, 1816397), (427, 1220857), (451, 1155889), (671, 776909), (2501, 208439), (2707, 192577), (3157, 165127), (4697, 110987), (17507, 29777), (18949, 27511)]