1290933

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:705

約数の個数: 24

約数和(自身を含む): 2203136

約数和(自身を除く): 912203

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 661, 1953, 1983, 4627, 5949, 13881, 20491, 41643, 61473, 143437, 184419, 430311, 1290933]

約数ペア:

[(1, 1290933), (3, 430311), (7, 184419), (9, 143437), (21, 61473), (31, 41643), (63, 20491), (93, 13881), (217, 5949), (279, 4627), (651, 1983), (661, 1953)]