74957643

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{21521}}^1$

素因数の和:21576

約数の個数: 20

約数和(自身を含む): 114583128

約数和(自身を除く): 39625485

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 21521, 64563, 193689, 581067, 925403, 1743201, 2776209, 8328627, 24985881, 74957643]

約数ペア:

[(1, 74957643), (3, 24985881), (9, 8328627), (27, 2776209), (43, 1743201), (81, 925403), (129, 581067), (387, 193689), (1161, 64563), (3483, 21521)]