7215705879

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1\times {\mathrm{7507}}^1$

素因数の和:7975

約数の個数: 32

約数和(自身を含む): 10430954496

約数和(自身を除く): 3215248617

約数列:

[1, 3, 17, 47, 51, 141, 401, 799, 1203, 2397, 6817, 7507, 18847, 20451, 22521, 56541, 127619, 320399, 352829, 382857, 961197, 1058487, 3010307, 5998093, 9030921, 17994279, 51175219, 141484429, 153525657, 424453287, 2405235293, 7215705879]

約数ペア:

[(1, 7215705879), (3, 2405235293), (17, 424453287), (47, 153525657), (51, 141484429), (141, 51175219), (401, 17994279), (799, 9030921), (1203, 5998093), (2397, 3010307), (6817, 1058487), (7507, 961197), (18847, 382857), (20451, 352829), (22521, 320399), (56541, 127619)]