78868665

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{40759}}^1$

素因数の和:40813

約数の個数: 24

約数和(自身を含む): 139888320

約数和(自身を除く): 61019655

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 40759, 122277, 203795, 366831, 611385, 1752637, 1834155, 5257911, 8763185, 15773733, 26289555, 78868665]

約数ペア:

[(1, 78868665), (3, 26289555), (5, 15773733), (9, 8763185), (15, 5257911), (43, 1834155), (45, 1752637), (129, 611385), (215, 366831), (387, 203795), (645, 122277), (1935, 40759)]