221889121

素因数分解:

${\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1\times {\mathrm{373}}^1$

素因数の和:756

約数の個数: 16

約数和(自身を含む): 234138960

約数和(自身を除く): 12249839

約数列:

[1, 29, 73, 281, 373, 2117, 8149, 10817, 20513, 27229, 104813, 594877, 789641, 3039577, 7651349, 221889121]

約数ペア:

[(1, 221889121), (29, 7651349), (73, 3039577), (281, 789641), (373, 594877), (2117, 104813), (8149, 27229), (10817, 20513)]