78831387

素因数分解:

$3^5\times {\mathrm{401}}^1\times {\mathrm{809}}^1$

素因数の和:1225

約数の個数: 24

約数和(自身を含む): 118525680

約数和(自身を除く): 39694293

約数列:

[1, 3, 9, 27, 81, 243, 401, 809, 1203, 2427, 3609, 7281, 10827, 21843, 32481, 65529, 97443, 196587, 324409, 973227, 2919681, 8759043, 26277129, 78831387]

約数ペア:

[(1, 78831387), (3, 26277129), (9, 8759043), (27, 2919681), (81, 973227), (243, 324409), (401, 196587), (809, 97443), (1203, 65529), (2427, 32481), (3609, 21843), (7281, 10827)]