9980439

素因数分解:

$3^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{719}}^1$

素因数の和:1390

約数の個数: 16

約数和(自身を含む): 15252480

約数和(自身を除く): 5272041

約数列:

[1, 3, 7, 21, 661, 719, 1983, 2157, 4627, 5033, 13881, 15099, 475259, 1425777, 3326813, 9980439]

約数ペア:

[(1, 9980439), (3, 3326813), (7, 1425777), (21, 475259), (661, 15099), (719, 13881), (1983, 5033), (2157, 4627)]