15997401

素因数分解:

$3^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{937}}^1$

素因数の和:1221

約数の個数: 24

約数和(自身を含む): 26534144

約数和(自身を除く): 10536743

約数列:

[1, 3, 7, 9, 21, 63, 271, 813, 937, 1897, 2439, 2811, 5691, 6559, 8433, 17073, 19677, 59031, 253927, 761781, 1777489, 2285343, 5332467, 15997401]

約数ペア:

[(1, 15997401), (3, 5332467), (7, 2285343), (9, 1777489), (21, 761781), (63, 253927), (271, 59031), (813, 19677), (937, 17073), (1897, 8433), (2439, 6559), (2811, 5691)]