156974931

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{32971}}^1$

素因数の和:33023

約数の個数: 18

約数和(自身を含む): 237035708

約数和(自身を除く): 80060777

約数列:

[1, 3, 9, 23, 69, 207, 529, 1587, 4761, 32971, 98913, 296739, 758333, 2274999, 6824997, 17441659, 52324977, 156974931]

約数ペア:

[(1, 156974931), (3, 52324977), (9, 17441659), (23, 6824997), (69, 2274999), (207, 758333), (529, 296739), (1587, 98913), (4761, 32971)]