64676913

素因数分解:

$3^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{1973}}^1$

素因数の和:2213

約数の個数: 24

約数和(自身を含む): 100816128

約数和(自身を除く): 36139215

約数列:

[1, 3, 7, 21, 49, 147, 223, 669, 1561, 1973, 4683, 5919, 10927, 13811, 32781, 41433, 96677, 290031, 439979, 1319937, 3079853, 9239559, 21558971, 64676913]

約数ペア:

[(1, 64676913), (3, 21558971), (7, 9239559), (21, 3079853), (49, 1319937), (147, 439979), (223, 290031), (669, 96677), (1561, 41433), (1973, 32781), (4683, 13811), (5919, 10927)]