31900221

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{186551}}^1$

素因数の和:186576

約数の個数: 12

約数和(自身を含む): 48503520

約数和(自身を除く): 16603299

約数列:

[1, 3, 9, 19, 57, 171, 186551, 559653, 1678959, 3544469, 10633407, 31900221]

約数ペア:

[(1, 31900221), (3, 10633407), (9, 3544469), (19, 1678959), (57, 559653), (171, 186551)]