640955265

素因数分解:

$3^1\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{35227}}^1$

素因数の和:36448

約数の個数: 16

約数和(自身を含む): 1026403008

約数和(自身を除く): 385447743

約数列:

[1, 3, 5, 15, 1213, 3639, 6065, 18195, 35227, 105681, 176135, 528405, 42730351, 128191053, 213651755, 640955265]

約数ペア:

[(1, 640955265), (3, 213651755), (5, 128191053), (15, 42730351), (1213, 528405), (3639, 176135), (6065, 105681), (18195, 35227)]