208355319

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{467}}^1\times {\mathrm{557}}^1$

素因数の和:1119

約数の個数: 24

約数和(自身を含む): 305538480

約数和(自身を除く): 97183161

約数列:

[1, 3, 9, 89, 267, 467, 557, 801, 1401, 1671, 4203, 5013, 41563, 49573, 124689, 148719, 260119, 374067, 446157, 780357, 2341071, 23150591, 69451773, 208355319]

約数ペア:

[(1, 208355319), (3, 69451773), (9, 23150591), (89, 2341071), (267, 780357), (467, 446157), (557, 374067), (801, 260119), (1401, 148719), (1671, 124689), (4203, 49573), (5013, 41563)]