12240225

素因数分解:

$3^2\times 5^2\times {\mathrm{54401}}^1$

素因数の和:54417

約数の個数: 18

約数和(自身を含む): 21924006

約数和(自身を除く): 9683781

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 54401, 163203, 272005, 489609, 816015, 1360025, 2448045, 4080075, 12240225]

約数ペア:

[(1, 12240225), (3, 4080075), (5, 2448045), (9, 1360025), (15, 816015), (25, 489609), (45, 272005), (75, 163203), (225, 54401)]