201812875

素因数分解:

$5^3\times {\mathrm{11}}^3\times {\mathrm{1213}}^1$

素因数の和:1261

約数の個数: 32

約数和(自身を含む): 277258176

約数和(自身を除く): 75445301

約数列:

[1, 5, 11, 25, 55, 121, 125, 275, 605, 1213, 1331, 1375, 3025, 6065, 6655, 13343, 15125, 30325, 33275, 66715, 146773, 151625, 166375, 333575, 733865, 1614503, 1667875, 3669325, 8072515, 18346625, 40362575, 201812875]

約数ペア:

[(1, 201812875), (5, 40362575), (11, 18346625), (25, 8072515), (55, 3669325), (121, 1667875), (125, 1614503), (275, 733865), (605, 333575), (1213, 166375), (1331, 151625), (1375, 146773), (3025, 66715), (6065, 33275), (6655, 30325), (13343, 15125)]