242972793

素因数分解:

$3^2\times 7^1\times {\mathrm{311}}^1\times {\mathrm{12401}}^1$

素因数の和:12725

約数の個数: 24

約数和(自身を含む): 402420096

約数和(自身を除く): 159447303

約数列:

[1, 3, 7, 9, 21, 63, 311, 933, 2177, 2799, 6531, 12401, 19593, 37203, 86807, 111609, 260421, 781263, 3856711, 11570133, 26996977, 34710399, 80990931, 242972793]

約数ペア:

[(1, 242972793), (3, 80990931), (7, 34710399), (9, 26996977), (21, 11570133), (63, 3856711), (311, 781263), (933, 260421), (2177, 111609), (2799, 86807), (6531, 37203), (12401, 19593)]