258756813

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{241603}}^1$

素因数の和:241633

約数の個数: 24

約数和(自身を含む): 452282688

約数和(自身を除く): 193525875

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 241603, 724809, 1691221, 2174427, 4107251, 5073663, 12321753, 15220989, 28750757, 36965259, 86252271, 258756813]

約数ペア:

[(1, 258756813), (3, 86252271), (7, 36965259), (9, 28750757), (17, 15220989), (21, 12321753), (51, 5073663), (63, 4107251), (119, 2174427), (153, 1691221), (357, 724809), (1071, 241603)]