2121825

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1489}}^1$

素因数の和:1521

約数の個数: 24

約数和(自身を含む): 3695200

約数和(自身を除く): 1573375

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425, 1489, 4467, 7445, 22335, 28291, 37225, 84873, 111675, 141455, 424365, 707275, 2121825]

約数ペア:

[(1, 2121825), (3, 707275), (5, 424365), (15, 141455), (19, 111675), (25, 84873), (57, 37225), (75, 28291), (95, 22335), (285, 7445), (475, 4467), (1425, 1489)]