64676871

素因数分解:

$3^2\times 7^1\times {\mathrm{751}}^1\times {\mathrm{1367}}^1$

素因数の和:2131

約数の個数: 24

約数和(自身を含む): 106988544

約数和(自身を除く): 42311673

約数列:

[1, 3, 7, 9, 21, 63, 751, 1367, 2253, 4101, 5257, 6759, 9569, 12303, 15771, 28707, 47313, 86121, 1026617, 3079851, 7186319, 9239553, 21558957, 64676871]

約数ペア:

[(1, 64676871), (3, 21558957), (7, 9239553), (9, 7186319), (21, 3079851), (63, 1026617), (751, 86121), (1367, 47313), (2253, 28707), (4101, 15771), (5257, 12303), (6759, 9569)]