821418

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{10531}}^1$

素因数の和:10549

約数の個数: 16

約数和(自身を含む): 1769376

約数和(自身を除く): 947958

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 10531, 21062, 31593, 63186, 136903, 273806, 410709, 821418]

約数ペア:

[(1, 821418), (2, 410709), (3, 273806), (6, 136903), (13, 63186), (26, 31593), (39, 21062), (78, 10531)]