70428729

素因数分解:

$3^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{2647}}^1$

素因数の和:2845

約数の個数: 24

約数和(自身を含む): 109881408

約数和(自身を除く): 39452679

約数列:

[1, 3, 7, 21, 49, 147, 181, 543, 1267, 2647, 3801, 7941, 8869, 18529, 26607, 55587, 129703, 389109, 479107, 1437321, 3353749, 10061247, 23476243, 70428729]

約数ペア:

[(1, 70428729), (3, 23476243), (7, 10061247), (21, 3353749), (49, 1437321), (147, 479107), (181, 389109), (543, 129703), (1267, 55587), (2647, 26607), (3801, 18529), (7941, 8869)]