30901507

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{349}}^1$

素因数の和:515

約数の個数: 24

約数和(自身を含む): 39102000

約数和(自身を除く): 8200493

約数列:

[1, 7, 13, 49, 91, 139, 349, 637, 973, 1807, 2443, 4537, 6811, 12649, 17101, 31759, 48511, 88543, 222313, 339577, 630643, 2377039, 4414501, 30901507]

約数ペア:

[(1, 30901507), (7, 4414501), (13, 2377039), (49, 630643), (91, 339577), (139, 222313), (349, 88543), (637, 48511), (973, 31759), (1807, 17101), (2443, 12649), (4537, 6811)]