6645405

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{643}}^1$

素因数の和:717

約数の個数: 32

約数和(自身を含む): 11684736

約数和(自身を除く): 5039331

約数列:

[1, 3, 5, 13, 15, 39, 53, 65, 159, 195, 265, 643, 689, 795, 1929, 2067, 3215, 3445, 8359, 9645, 10335, 25077, 34079, 41795, 102237, 125385, 170395, 443027, 511185, 1329081, 2215135, 6645405]

約数ペア:

[(1, 6645405), (3, 2215135), (5, 1329081), (13, 511185), (15, 443027), (39, 170395), (53, 125385), (65, 102237), (159, 41795), (195, 34079), (265, 25077), (643, 10335), (689, 9645), (795, 8359), (1929, 3445), (2067, 3215)]