220131189

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:471

約数の個数: 40

約数和(自身を含む): 336631680

約数和(自身を除く): 116500491

約数列:

[1, 3, 9, 27, 81, 83, 137, 239, 249, 411, 717, 747, 1233, 2151, 2241, 3699, 6453, 6723, 11097, 11371, 19359, 19837, 32743, 34113, 59511, 98229, 102339, 178533, 294687, 307017, 535599, 884061, 921051, 1606797, 2652183, 2717669, 8153007, 24459021, 73377063, 220131189]

約数ペア:

[(1, 220131189), (3, 73377063), (9, 24459021), (27, 8153007), (81, 2717669), (83, 2652183), (137, 1606797), (239, 921051), (249, 884061), (411, 535599), (717, 307017), (747, 294687), (1233, 178533), (2151, 102339), (2241, 98229), (3699, 59511), (6453, 34113), (6723, 32743), (11097, 19837), (11371, 19359)]