50728113

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{3989}}^1$

素因数の和:4158

約数の個数: 20

約数和(自身を含む): 76280820

約数和(自身を除く): 25552707

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 3989, 4239, 11967, 12717, 35901, 107703, 323109, 626273, 1878819, 5636457, 16909371, 50728113]

約数ペア:

[(1, 50728113), (3, 16909371), (9, 5636457), (27, 1878819), (81, 626273), (157, 323109), (471, 107703), (1413, 35901), (3989, 12717), (4239, 11967)]