12420225

素因数分解:

$3^2\times 5^2\times {\mathrm{55201}}^1$

素因数の和:55217

約数の個数: 18

約数和(自身を含む): 22246406

約数和(自身を除く): 9826181

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 55201, 165603, 276005, 496809, 828015, 1380025, 2484045, 4140075, 12420225]

約数ペア:

[(1, 12420225), (3, 4140075), (5, 2484045), (9, 1380025), (15, 828015), (25, 496809), (45, 276005), (75, 165603), (225, 55201)]