389640669

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{251219}}^1$

素因数の和:251280

約数の個数: 16

約数和(自身を含む): 578810880

約数和(自身を除く): 189170211

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 251219, 753657, 2763409, 8290227, 11807293, 35421879, 129880223, 389640669]

約数ペア:

[(1, 389640669), (3, 129880223), (11, 35421879), (33, 11807293), (47, 8290227), (141, 2763409), (517, 753657), (1551, 251219)]