2181075

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2237}}^1$

素因数の和:2263

約数の個数: 24

約数和(自身を含む): 3885168

約数和(自身を除く): 1704093

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 2237, 6711, 11185, 29081, 33555, 55925, 87243, 145405, 167775, 436215, 727025, 2181075]

約数ペア:

[(1, 2181075), (3, 727025), (5, 436215), (13, 167775), (15, 145405), (25, 87243), (39, 55925), (65, 33555), (75, 29081), (195, 11185), (325, 6711), (975, 2237)]