726931431

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{137131}}^1$

素因数の和:137187

約数の個数: 24

約数和(自身を含む): 1140938240

約数和(自身を除く): 414006809

約数列:

[1, 3, 9, 19, 31, 57, 93, 171, 279, 589, 1767, 5301, 137131, 411393, 1234179, 2605489, 4251061, 7816467, 12753183, 23449401, 38259549, 80770159, 242310477, 726931431]

約数ペア:

[(1, 726931431), (3, 242310477), (9, 80770159), (19, 38259549), (31, 23449401), (57, 12753183), (93, 7816467), (171, 4251061), (279, 2605489), (589, 1234179), (1767, 411393), (5301, 137131)]