28918503

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{457}}^1$

素因数の和:631

約数の個数: 24

約数和(自身を含む): 42868800

約数和(自身を除く): 13950297

約数列:

[1, 3, 9, 79, 89, 237, 267, 457, 711, 801, 1371, 4113, 7031, 21093, 36103, 40673, 63279, 108309, 122019, 324927, 366057, 3213167, 9639501, 28918503]

約数ペア:

[(1, 28918503), (3, 9639501), (9, 3213167), (79, 366057), (89, 324927), (237, 122019), (267, 108309), (457, 63279), (711, 40673), (801, 36103), (1371, 21093), (4113, 7031)]