28185825

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{12959}}^1$

素因数の和:13001

約数の個数: 24

約数和(自身を含む): 48211200

約数和(自身を除く): 20025375

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 12959, 38877, 64795, 194385, 323975, 375811, 971925, 1127433, 1879055, 5637165, 9395275, 28185825]

約数ペア:

[(1, 28185825), (3, 9395275), (5, 5637165), (15, 1879055), (25, 1127433), (29, 971925), (75, 375811), (87, 323975), (145, 194385), (435, 64795), (725, 38877), (2175, 12959)]