661036581

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{1289}}^1\times {\mathrm{2999}}^1$

素因数の和:4313

約数の個数: 24

約数和(自身を含む): 1006200000

約数和(自身を除く): 345163419

約数列:

[1, 3, 9, 19, 57, 171, 1289, 2999, 3867, 8997, 11601, 24491, 26991, 56981, 73473, 170943, 220419, 512829, 3865711, 11597133, 34791399, 73448509, 220345527, 661036581]

約数ペア:

[(1, 661036581), (3, 220345527), (9, 73448509), (19, 34791399), (57, 11597133), (171, 3865711), (1289, 512829), (2999, 220419), (3867, 170943), (8997, 73473), (11601, 56981), (24491, 26991)]