30920655

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47939}}^1$

素因数の和:47990

約数の個数: 16

約数和(自身を含む): 50624640

約数和(自身を除く): 19703985

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 47939, 143817, 239695, 719085, 2061377, 6184131, 10306885, 30920655]

約数ペア:

[(1, 30920655), (3, 10306885), (5, 6184131), (15, 2061377), (43, 719085), (129, 239695), (215, 143817), (645, 47939)]