84880305

素因数分解:

$3^4\times 5^1\times {\mathrm{209581}}^1$

素因数の和:209598

約数の個数: 20

約数和(自身を含む): 152156532

約数和(自身を除く): 67276227

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 209581, 628743, 1047905, 1886229, 3143715, 5658687, 9431145, 16976061, 28293435, 84880305]

約数ペア:

[(1, 84880305), (3, 28293435), (5, 16976061), (9, 9431145), (15, 5658687), (27, 3143715), (45, 1886229), (81, 1047905), (135, 628743), (405, 209581)]