19560825

素因数分解:

$3^3\times 5^2\times {\mathrm{28979}}^1$

素因数の和:28998

約数の個数: 24

約数和(自身を含む): 35935200

約数和(自身を除く): 16374375

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 28979, 86937, 144895, 260811, 434685, 724475, 782433, 1304055, 2173425, 3912165, 6520275, 19560825]

約数ペア:

[(1, 19560825), (3, 6520275), (5, 3912165), (9, 2173425), (15, 1304055), (25, 782433), (27, 724475), (45, 434685), (75, 260811), (135, 144895), (225, 86937), (675, 28979)]