201561843

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{80657}}^1$

素因数の和:80691

約数の個数: 24

約数和(自身を含む): 331020432

約数和(自身を除く): 129458589

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 80657, 241971, 564599, 1371169, 1693797, 3952193, 4113507, 9598183, 11856579, 28794549, 67187281, 201561843]

約数ペア:

[(1, 201561843), (3, 67187281), (7, 28794549), (17, 11856579), (21, 9598183), (49, 4113507), (51, 3952193), (119, 1693797), (147, 1371169), (357, 564599), (833, 241971), (2499, 80657)]