138819987

素因数分解:

$3^4\times {\mathrm{1201}}^1\times {\mathrm{1427}}^1$

素因数の和:2640

約数の個数: 20

約数和(自身を含む): 207691176

約数和(自身を除く): 68871189

約数列:

[1, 3, 9, 27, 81, 1201, 1427, 3603, 4281, 10809, 12843, 32427, 38529, 97281, 115587, 1713827, 5141481, 15424443, 46273329, 138819987]

約数ペア:

[(1, 138819987), (3, 46273329), (9, 15424443), (27, 5141481), (81, 1713827), (1201, 115587), (1427, 97281), (3603, 38529), (4281, 32427), (10809, 12843)]