12891225

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{5927}}^1$

素因数の和:5969

約数の個数: 24

約数和(自身を含む): 22052160

約数和(自身を除く): 9160935

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 5927, 17781, 29635, 88905, 148175, 171883, 444525, 515649, 859415, 2578245, 4297075, 12891225]

約数ペア:

[(1, 12891225), (3, 4297075), (5, 2578245), (15, 859415), (25, 515649), (29, 444525), (75, 171883), (87, 148175), (145, 88905), (435, 29635), (725, 17781), (2175, 5927)]