3989325

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1237}}^1$

素因数の和:1293

約数の個数: 24

約数和(自身を含む): 6754528

約数和(自身を除く): 2765203

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 1237, 3225, 3711, 6185, 18555, 30925, 53191, 92775, 159573, 265955, 797865, 1329775, 3989325]

約数ペア:

[(1, 3989325), (3, 1329775), (5, 797865), (15, 265955), (25, 159573), (43, 92775), (75, 53191), (129, 30925), (215, 18555), (645, 6185), (1075, 3711), (1237, 3225)]