128561379

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{409}}^1\times {\mathrm{3613}}^1$

素因数の和:4054

約数の個数: 16

約数和(自身を含む): 177808800

約数和(自身を除く): 49247421

約数列:

[1, 3, 29, 87, 409, 1227, 3613, 10839, 11861, 35583, 104777, 314331, 1477717, 4433151, 42853793, 128561379]

約数ペア:

[(1, 128561379), (3, 42853793), (29, 4433151), (87, 1477717), (409, 314331), (1227, 104777), (3613, 35583), (10839, 11861)]