397581405

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2038879}}^1$

素因数の和:2038900

約数の個数: 16

約数和(自身を含む): 685063680

約数和(自身を除く): 287482275

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 2038879, 6116637, 10194395, 26505427, 30583185, 79516281, 132527135, 397581405]

約数ペア:

[(1, 397581405), (3, 132527135), (5, 79516281), (13, 30583185), (15, 26505427), (39, 10194395), (65, 6116637), (195, 2038879)]