641907

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1$

素因数の和:479

約数の個数: 24

約数和(自身を含む): 1108224

約数和(自身を除く): 466317

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 443, 483, 1329, 1449, 3101, 3987, 9303, 10189, 27909, 30567, 71323, 91701, 213969, 641907]

約数ペア:

[(1, 641907), (3, 213969), (7, 91701), (9, 71323), (21, 30567), (23, 27909), (63, 10189), (69, 9303), (161, 3987), (207, 3101), (443, 1449), (483, 1329)]