30456881

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{349}}^1$

素因数の和:513

約数の個数: 24

約数和(自身を含む): 38543400

約数和(自身を除く): 8086519

約数列:

[1, 7, 13, 49, 91, 137, 349, 637, 959, 1781, 2443, 4537, 6713, 12467, 17101, 31759, 47813, 87269, 222313, 334691, 621569, 2342837, 4350983, 30456881]

約数ペア:

[(1, 30456881), (7, 4350983), (13, 2342837), (49, 621569), (91, 334691), (137, 222313), (349, 87269), (637, 47813), (959, 31759), (1781, 17101), (2443, 12467), (4537, 6713)]