217410717

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{18731}}^1$

素因数の和:18860

約数の個数: 16

約数和(自身を含む): 299412288

約数和(自身を除く): 82001571

約数列:

[1, 3, 53, 73, 159, 219, 3869, 11607, 18731, 56193, 992743, 1367363, 2978229, 4102089, 72470239, 217410717]

約数ペア:

[(1, 217410717), (3, 72470239), (53, 4102089), (73, 2978229), (159, 1367363), (219, 992743), (3869, 56193), (11607, 18731)]