3999875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{2909}}^1$

素因数の和:2935

約数の個数: 16

約数和(自身を含む): 5447520

約数和(自身を除く): 1447645

約数列:

[1, 5, 11, 25, 55, 125, 275, 1375, 2909, 14545, 31999, 72725, 159995, 363625, 799975, 3999875]

約数ペア:

[(1, 3999875), (5, 799975), (11, 363625), (25, 159995), (55, 72725), (125, 31999), (275, 14545), (1375, 2909)]