15985123

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{631}}^1$

素因数の和:703

約数の個数: 24

約数和(自身を含む): 20749824

約数和(自身を除く): 4764701

約数列:

[1, 7, 11, 47, 49, 77, 329, 517, 539, 631, 2303, 3619, 4417, 6941, 25333, 29657, 30919, 48587, 207599, 326227, 340109, 1453193, 2283589, 15985123]

約数ペア:

[(1, 15985123), (7, 2283589), (11, 1453193), (47, 340109), (49, 326227), (77, 207599), (329, 48587), (517, 30919), (539, 29657), (631, 25333), (2303, 6941), (3619, 4417)]