12520425

素因数分解:

$3^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{1201}}^1$

素因数の和:1353

約数の個数: 24

約数和(自身を含む): 20866720

約数和(自身を除く): 8346295

約数列:

[1, 3, 5, 15, 25, 75, 139, 417, 695, 1201, 2085, 3475, 3603, 6005, 10425, 18015, 30025, 90075, 166939, 500817, 834695, 2504085, 4173475, 12520425]

約数ペア:

[(1, 12520425), (3, 4173475), (5, 2504085), (15, 834695), (25, 500817), (75, 166939), (139, 90075), (417, 30025), (695, 18015), (1201, 10425), (2085, 6005), (3475, 3603)]