15391275

素因数分解:

$3^1\times 5^2\times {\mathrm{163}}^1\times {\mathrm{1259}}^1$

素因数の和:1435

約数の個数: 24

約数和(自身を含む): 25623360

約数和(自身を除く): 10232085

約数列:

[1, 3, 5, 15, 25, 75, 163, 489, 815, 1259, 2445, 3777, 4075, 6295, 12225, 18885, 31475, 94425, 205217, 615651, 1026085, 3078255, 5130425, 15391275]

約数ペア:

[(1, 15391275), (3, 5130425), (5, 3078255), (15, 1026085), (25, 615651), (75, 205217), (163, 94425), (489, 31475), (815, 18885), (1259, 12225), (2445, 6295), (3777, 4075)]