138778221

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{557}}^1\times {\mathrm{1567}}^1$

素因数の和:2180

約数の個数: 16

約数和(自身を含む): 188987904

約数和(自身を除く): 50209683

約数列:

[1, 3, 53, 159, 557, 1567, 1671, 4701, 29521, 83051, 88563, 249153, 872819, 2618457, 46259407, 138778221]

約数ペア:

[(1, 138778221), (3, 46259407), (53, 2618457), (159, 872819), (557, 249153), (1567, 88563), (1671, 83051), (4701, 29521)]