64643607

素因数分解:

$3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{5669}}^1$

素因数の和:5863

約数の個数: 24

約数和(自身を含む): 107321760

約数和(自身を除く): 42678153

約数列:

[1, 3, 7, 9, 21, 63, 181, 543, 1267, 1629, 3801, 5669, 11403, 17007, 39683, 51021, 119049, 357147, 1026089, 3078267, 7182623, 9234801, 21547869, 64643607]

約数ペア:

[(1, 64643607), (3, 21547869), (7, 9234801), (9, 7182623), (21, 3078267), (63, 1026089), (181, 357147), (543, 119049), (1267, 51021), (1629, 39683), (3801, 17007), (5669, 11403)]