8891937

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{727}}^1$

素因数の和:890

約数の個数: 20

約数和(自身を含む): 13389376

約数和(自身を除く): 4497439

約数列:

[1, 3, 9, 27, 81, 151, 453, 727, 1359, 2181, 4077, 6543, 12231, 19629, 58887, 109777, 329331, 987993, 2963979, 8891937]

約数ペア:

[(1, 8891937), (3, 2963979), (9, 987993), (27, 329331), (81, 109777), (151, 58887), (453, 19629), (727, 12231), (1359, 6543), (2181, 4077)]