645194001

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{20543}}^1$

素因数の和:20613

約数の個数: 24

約数和(自身を含む): 939271680

約数和(自身を除く): 294077679

約数列:

[1, 3, 19, 29, 57, 87, 361, 551, 1083, 1653, 10469, 20543, 31407, 61629, 390317, 595747, 1170951, 1787241, 7416023, 11319193, 22248069, 33957579, 215064667, 645194001]

約数ペア:

[(1, 645194001), (3, 215064667), (19, 33957579), (29, 22248069), (57, 11319193), (87, 7416023), (361, 1787241), (551, 1170951), (1083, 595747), (1653, 390317), (10469, 61629), (20543, 31407)]