680852781

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{177167}}^1$

素因数の和:177241

約数の個数: 24

約数和(自身を含む): 1142379264

約数和(自身を除く): 461526483

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 177167, 531501, 1240169, 1594503, 3720507, 10807187, 11161521, 32421561, 75650309, 97264683, 226950927, 680852781]

約数ペア:

[(1, 680852781), (3, 226950927), (7, 97264683), (9, 75650309), (21, 32421561), (61, 11161521), (63, 10807187), (183, 3720507), (427, 1594503), (549, 1240169), (1281, 531501), (3843, 177167)]