399021243

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1\times {\mathrm{6491}}^1$

素因数の和:7186

約数の個数: 16

約数和(自身を含む): 550106112

約数和(自身を除く): 151084869

約数列:

[1, 3, 31, 93, 661, 1983, 6491, 19473, 20491, 61473, 201221, 603663, 4290551, 12871653, 133007081, 399021243]

約数ペア:

[(1, 399021243), (3, 133007081), (31, 12871653), (93, 4290551), (661, 603663), (1983, 201221), (6491, 61473), (19473, 20491)]