17939451

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{599}}^1$

素因数の和:818

約数の個数: 16

約数和(自身を含む): 24480000

約数和(自身を除く): 6540549

約数列:

[1, 3, 67, 149, 201, 447, 599, 1797, 9983, 29949, 40133, 89251, 120399, 267753, 5979817, 17939451]

約数ペア:

[(1, 17939451), (3, 5979817), (67, 267753), (149, 120399), (201, 89251), (447, 40133), (599, 29949), (1797, 9983)]