198237

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:69

約数の個数: 24

約数和(自身を含む): 316224

約数和(自身を除く): 117987

約数列:

[1, 3, 13, 17, 23, 39, 51, 69, 169, 221, 299, 391, 507, 663, 897, 1173, 2873, 3887, 5083, 8619, 11661, 15249, 66079, 198237]

約数ペア:

[(1, 198237), (3, 66079), (13, 15249), (17, 11661), (23, 8619), (39, 5083), (51, 3887), (69, 2873), (169, 1173), (221, 897), (299, 663), (391, 507)]