31748679

素因数分解:

$3^9\times {\mathrm{1613}}^1$

素因数の和:1640

約数の個数: 20

約数和(自身を含む): 47651736

約数和(自身を除く): 15903057

約数列:

[1, 3, 9, 27, 81, 243, 729, 1613, 2187, 4839, 6561, 14517, 19683, 43551, 130653, 391959, 1175877, 3527631, 10582893, 31748679]

約数ペア:

[(1, 31748679), (3, 10582893), (9, 3527631), (27, 1175877), (81, 391959), (243, 130653), (729, 43551), (1613, 19683), (2187, 14517), (4839, 6561)]