20161243521

素因数分解:

$3^4\times {\mathrm{307}}^1\times {\mathrm{810763}}^1$

素因数の和:811082

約数の個数: 20

約数和(自身を含む): 30215552752

約数和(自身を除く): 10054309231

約数列:

[1, 3, 9, 27, 81, 307, 921, 2763, 8289, 24867, 810763, 2432289, 7296867, 21890601, 65671803, 248904241, 746712723, 2240138169, 6720414507, 20161243521]

約数ペア:

[(1, 20161243521), (3, 6720414507), (9, 2240138169), (27, 746712723), (81, 248904241), (307, 65671803), (921, 21890601), (2763, 7296867), (8289, 2432289), (24867, 810763)]