64020885

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{2539}}^1$

素因数の和:2629

約数の個数: 24

約数和(自身を含む): 105034080

約数和(自身を除く): 41013195

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 1681, 2539, 5043, 7617, 8405, 12695, 25215, 38085, 104099, 312297, 520495, 1561485, 4268059, 12804177, 21340295, 64020885]

約数ペア:

[(1, 64020885), (3, 21340295), (5, 12804177), (15, 4268059), (41, 1561485), (123, 520495), (205, 312297), (615, 104099), (1681, 38085), (2539, 25215), (5043, 12695), (7617, 8405)]