2009355309

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{80629}}^1$

素因数の和:80722

約数の個数: 32

約数和(自身を含む): 3251001600

約数和(自身を除く): 1241646291

約数列:

[1, 3, 9, 13, 27, 39, 71, 117, 213, 351, 639, 923, 1917, 2769, 8307, 24921, 80629, 241887, 725661, 1048177, 2176983, 3144531, 5724659, 9433593, 17173977, 28300779, 51521931, 74420567, 154565793, 223261701, 669785103, 2009355309]

約数ペア:

[(1, 2009355309), (3, 669785103), (9, 223261701), (13, 154565793), (27, 74420567), (39, 51521931), (71, 28300779), (117, 17173977), (213, 9433593), (351, 5724659), (639, 3144531), (923, 2176983), (1917, 1048177), (2769, 725661), (8307, 241887), (24921, 80629)]