28937571

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{15787}}^1$

素因数の和:15850

約数の個数: 16

約数和(自身を含む): 42438144

約数和(自身を除く): 13500573

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 15787, 47361, 205231, 615693, 741989, 2225967, 9645857, 28937571]

約数ペア:

[(1, 28937571), (3, 9645857), (13, 2225967), (39, 741989), (47, 615693), (141, 205231), (611, 47361), (1833, 15787)]