20401125

素因数分解:

$3^1\times 5^3\times {\mathrm{54403}}^1$

素因数の和:54421

約数の個数: 16

約数和(自身を含む): 33948096

約数和(自身を除く): 13546971

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 54403, 163209, 272015, 816045, 1360075, 4080225, 6800375, 20401125]

約数ペア:

[(1, 20401125), (3, 6800375), (5, 4080225), (15, 1360075), (25, 816045), (75, 272015), (125, 163209), (375, 54403)]