158661

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{61}}^1$

素因数の和:101

約数の個数: 18

約数和(自身を含む): 247442

約数和(自身を除く): 88781

約数列:

[1, 3, 9, 17, 51, 61, 153, 183, 289, 549, 867, 1037, 2601, 3111, 9333, 17629, 52887, 158661]

約数ペア:

[(1, 158661), (3, 52887), (9, 17629), (17, 9333), (51, 3111), (61, 2601), (153, 1037), (183, 867), (289, 549)]