28877553

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{8291}}^1$

素因数の和:8346

約数の個数: 20

約数和(自身を含む): 44146608

約数和(自身を除く): 15269055

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 8291, 24873, 74619, 223857, 356513, 671571, 1069539, 3208617, 9625851, 28877553]

約数ペア:

[(1, 28877553), (3, 9625851), (9, 3208617), (27, 1069539), (43, 671571), (81, 356513), (129, 223857), (387, 74619), (1161, 24873), (3483, 8291)]