78900399

素因数分解:

$3^7\times {\mathrm{43}}^1\times {\mathrm{839}}^1$

素因数の和:903

約数の個数: 32

約数和(自身を含む): 121228800

約数和(自身を除く): 42328401

約数列:

[1, 3, 9, 27, 43, 81, 129, 243, 387, 729, 839, 1161, 2187, 2517, 3483, 7551, 10449, 22653, 31347, 36077, 67959, 94041, 108231, 203877, 324693, 611631, 974079, 1834893, 2922237, 8766711, 26300133, 78900399]

約数ペア:

[(1, 78900399), (3, 26300133), (9, 8766711), (27, 2922237), (43, 1834893), (81, 974079), (129, 611631), (243, 324693), (387, 203877), (729, 108231), (839, 94041), (1161, 67959), (2187, 36077), (2517, 31347), (3483, 22653), (7551, 10449)]