1520625

素因数分解:

$3^1\times 5^4\times {\mathrm{811}}^1$

素因数の和:834

約数の個数: 20

約数和(自身を含む): 2536688

約数和(自身を除く): 1016063

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 811, 1875, 2433, 4055, 12165, 20275, 60825, 101375, 304125, 506875, 1520625]

約数ペア:

[(1, 1520625), (3, 506875), (5, 304125), (15, 101375), (25, 60825), (75, 20275), (125, 12165), (375, 4055), (625, 2433), (811, 1875)]