681302517

素因数分解:

$3^1\times 7^2\times {\mathrm{1423}}^1\times {\mathrm{3257}}^1$

素因数の和:4697

約数の個数: 24

約数和(自身を含む): 1057781376

約数和(自身を除く): 376478859

約数列:

[1, 3, 7, 21, 49, 147, 1423, 3257, 4269, 9771, 9961, 22799, 29883, 68397, 69727, 159593, 209181, 478779, 4634711, 13904133, 32442977, 97328931, 227100839, 681302517]

約数ペア:

[(1, 681302517), (3, 227100839), (7, 97328931), (21, 32442977), (49, 13904133), (147, 4634711), (1423, 478779), (3257, 209181), (4269, 159593), (9771, 69727), (9961, 68397), (22799, 29883)]