64742985

素因数分解:

$3^2\times 5^1\times {\mathrm{727}}^1\times {\mathrm{1979}}^1$

素因数の和:2717

約数の個数: 24

約数和(自身を含む): 112432320

約数和(自身を除く): 47689335

約数列:

[1, 3, 5, 9, 15, 45, 727, 1979, 2181, 3635, 5937, 6543, 9895, 10905, 17811, 29685, 32715, 89055, 1438733, 4316199, 7193665, 12948597, 21580995, 64742985]

約数ペア:

[(1, 64742985), (3, 21580995), (5, 12948597), (9, 7193665), (15, 4316199), (45, 1438733), (727, 89055), (1979, 32715), (2181, 29685), (3635, 17811), (5937, 10905), (6543, 9895)]