129619971

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{887}}^1\times {\mathrm{1249}}^1$

素因数の和:2155

約数の個数: 24

約数和(自身を含む): 202020000

約数和(自身を除く): 72400029

約数列:

[1, 3, 9, 13, 39, 117, 887, 1249, 2661, 3747, 7983, 11241, 11531, 16237, 34593, 48711, 103779, 146133, 1107863, 3323589, 9970767, 14402219, 43206657, 129619971]

約数ペア:

[(1, 129619971), (3, 43206657), (9, 14402219), (13, 9970767), (39, 3323589), (117, 1107863), (887, 146133), (1249, 103779), (2661, 48711), (3747, 34593), (7983, 16237), (11241, 11531)]