28180275

素因数分解:

$3^1\times 5^2\times {\mathrm{401}}^1\times {\mathrm{937}}^1$

素因数の和:1351

約数の個数: 24

約数和(自身を含む): 46757424

約数和(自身を除く): 18577149

約数列:

[1, 3, 5, 15, 25, 75, 401, 937, 1203, 2005, 2811, 4685, 6015, 10025, 14055, 23425, 30075, 70275, 375737, 1127211, 1878685, 5636055, 9393425, 28180275]

約数ペア:

[(1, 28180275), (3, 9393425), (5, 5636055), (15, 1878685), (25, 1127211), (75, 375737), (401, 70275), (937, 30075), (1203, 23425), (2005, 14055), (2811, 10025), (4685, 6015)]