21121125

素因数分解:

$3^1\times 5^3\times {\mathrm{151}}^1\times {\mathrm{373}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 35473152

約数和(自身を除く): 14352027

約数列:

[1, 3, 5, 15, 25, 75, 125, 151, 373, 375, 453, 755, 1119, 1865, 2265, 3775, 5595, 9325, 11325, 18875, 27975, 46625, 56323, 56625, 139875, 168969, 281615, 844845, 1408075, 4224225, 7040375, 21121125]

約数ペア:

[(1, 21121125), (3, 7040375), (5, 4224225), (15, 1408075), (25, 844845), (75, 281615), (125, 168969), (151, 139875), (373, 56625), (375, 56323), (453, 46625), (755, 27975), (1119, 18875), (1865, 11325), (2265, 9325), (3775, 5595)]