397018881

素因数分解:

$3^3\times 7^1\times {\mathrm{2100629}}^1$

素因数の和:2100645

約数の個数: 16

約数和(自身を含む): 672201600

約数和(自身を除く): 275182719

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 2100629, 6301887, 14704403, 18905661, 44113209, 56716983, 132339627, 397018881]

約数ペア:

[(1, 397018881), (3, 132339627), (7, 56716983), (9, 44113209), (21, 18905661), (27, 14704403), (63, 6301887), (189, 2100629)]