128117829

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{43891}}^1$

素因数の和:44040

約数の個数: 16

約数和(自身を含む): 196636160

約数和(自身を除く): 68518331

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 43891, 131673, 307237, 921711, 6100849, 18302547, 42705943, 128117829]

約数ペア:

[(1, 128117829), (3, 42705943), (7, 18302547), (21, 6100849), (139, 921711), (417, 307237), (973, 131673), (2919, 43891)]