81355321

素因数分解:

${\mathrm{19}}^2\times {\mathrm{179}}^1\times {\mathrm{1259}}^1$

素因数の和:1476

約数の個数: 12

約数和(自身を含む): 86410800

約数和(自身を除く): 5055479

約数列:

[1, 19, 179, 361, 1259, 3401, 23921, 64619, 225361, 454499, 4281859, 81355321]

約数ペア:

[(1, 81355321), (19, 4281859), (179, 454499), (361, 225361), (1259, 64619), (3401, 23921)]