30945681

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6151}}^1$

素因数の和:6213

約数の個数: 24

約数和(自身を含む): 49265216

約数和(自身を除く): 18319535

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 5031, 6151, 18453, 55359, 79963, 239889, 264493, 719667, 793479, 2380437, 3438409, 10315227, 30945681]

約数ペア:

[(1, 30945681), (3, 10315227), (9, 3438409), (13, 2380437), (39, 793479), (43, 719667), (117, 264493), (129, 239889), (387, 79963), (559, 55359), (1677, 18453), (5031, 6151)]