30520945

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67079}}^1$

素因数の和:67104

約数の個数: 16

約数和(自身を含む): 45077760

約数和(自身を除く): 14556815

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 67079, 335395, 469553, 872027, 2347765, 4360135, 6104189, 30520945]

約数ペア:

[(1, 30520945), (5, 6104189), (7, 4360135), (13, 2347765), (35, 872027), (65, 469553), (91, 335395), (455, 67079)]