129427227

素因数分解:

$3^4\times {\mathrm{197}}^1\times {\mathrm{8111}}^1$

素因数の和:8320

約数の個数: 20

約数和(自身を含む): 194347296

約数和(自身を除く): 64920069

約数列:

[1, 3, 9, 27, 81, 197, 591, 1773, 5319, 8111, 15957, 24333, 72999, 218997, 656991, 1597867, 4793601, 14380803, 43142409, 129427227]

約数ペア:

[(1, 129427227), (3, 43142409), (9, 14380803), (27, 4793601), (81, 1597867), (197, 656991), (591, 218997), (1773, 72999), (5319, 24333), (8111, 15957)]