87650991

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{15241}}^1$

素因数の和:15324

約数の個数: 20

約数和(自身を含む): 132788304

約数和(自身を除く): 45137313

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 15241, 45723, 137169, 411507, 1082111, 1234521, 3246333, 9738999, 29216997, 87650991]

約数ペア:

[(1, 87650991), (3, 29216997), (9, 9738999), (27, 3246333), (71, 1234521), (81, 1082111), (213, 411507), (639, 137169), (1917, 45723), (5751, 15241)]