27638925

素因数分解:

$3^1\times 5^2\times {\mathrm{401}}^1\times {\mathrm{919}}^1$

素因数の和:1333

約数の個数: 24

約数和(自身を含む): 45860160

約数和(自身を除く): 18221235

約数列:

[1, 3, 5, 15, 25, 75, 401, 919, 1203, 2005, 2757, 4595, 6015, 10025, 13785, 22975, 30075, 68925, 368519, 1105557, 1842595, 5527785, 9212975, 27638925]

約数ペア:

[(1, 27638925), (3, 9212975), (5, 5527785), (15, 1842595), (25, 1105557), (75, 368519), (401, 68925), (919, 30075), (1203, 22975), (2005, 13785), (2757, 10025), (4595, 6015)]