30942585

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15991}}^1$

素因数の和:16045

約数の個数: 24

約数和(自身を含む): 54884544

約数和(自身を除く): 23941959

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 15991, 47973, 79955, 143919, 239865, 687613, 719595, 2062839, 3438065, 6188517, 10314195, 30942585]

約数ペア:

[(1, 30942585), (3, 10314195), (5, 6188517), (9, 3438065), (15, 2062839), (43, 719595), (45, 687613), (129, 239865), (215, 143919), (387, 79955), (645, 47973), (1935, 15991)]