647566929

素因数分解:

$3^2\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{5039}}^1$

素因数の和:5285

約数の個数: 24

約数和(自身を含む): 951350400

約数和(自身を除く): 303783471

約数列:

[1, 3, 9, 109, 131, 327, 393, 981, 1179, 5039, 14279, 15117, 42837, 45351, 128511, 549251, 660109, 1647753, 1980327, 4943259, 5940981, 71951881, 215855643, 647566929]

約数ペア:

[(1, 647566929), (3, 215855643), (9, 71951881), (109, 5940981), (131, 4943259), (327, 1980327), (393, 1647753), (981, 660109), (1179, 549251), (5039, 128511), (14279, 45351), (15117, 42837)]