520012521

素因数分解:

$3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{51913}}^1$

素因数の和:51982

約数の個数: 32

約数和(自身を含む): 897073920

約数和(自身を除く): 377061399

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 159, 189, 371, 477, 1113, 1431, 3339, 10017, 51913, 155739, 363391, 467217, 1090173, 1401651, 2751389, 3270519, 8254167, 9811557, 19259723, 24762501, 57779169, 74287503, 173337507, 520012521]

約数ペア:

[(1, 520012521), (3, 173337507), (7, 74287503), (9, 57779169), (21, 24762501), (27, 19259723), (53, 9811557), (63, 8254167), (159, 3270519), (189, 2751389), (371, 1401651), (477, 1090173), (1113, 467217), (1431, 363391), (3339, 155739), (10017, 51913)]