81780999

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{4231}}^1$

素因数の和:4630

約数の個数: 16

約数和(自身を含む): 115787520

約数和(自身を除く): 34006521

約数列:

[1, 3, 17, 51, 379, 1137, 4231, 6443, 12693, 19329, 71927, 215781, 1603549, 4810647, 27260333, 81780999]

約数ペア:

[(1, 81780999), (3, 27260333), (17, 4810647), (51, 1603549), (379, 215781), (1137, 71927), (4231, 19329), (6443, 12693)]