31482189

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{2837}}^1$

素因数の和:2986

約数の個数: 20

約数和(自身を含む): 47388924

約数和(自身を除く): 15906735

約数列:

[1, 3, 9, 27, 81, 137, 411, 1233, 2837, 3699, 8511, 11097, 25533, 76599, 229797, 388669, 1166007, 3498021, 10494063, 31482189]

約数ペア:

[(1, 31482189), (3, 10494063), (9, 3498021), (27, 1166007), (81, 388669), (137, 229797), (411, 76599), (1233, 25533), (2837, 11097), (3699, 8511)]