28235709

素因数分解:

$3^4\times {\mathrm{359}}^1\times {\mathrm{971}}^1$

素因数の和:1342

約数の個数: 20

約数和(自身を含む): 42340320

約数和(自身を除く): 14104611

約数列:

[1, 3, 9, 27, 81, 359, 971, 1077, 2913, 3231, 8739, 9693, 26217, 29079, 78651, 348589, 1045767, 3137301, 9411903, 28235709]

約数ペア:

[(1, 28235709), (3, 9411903), (9, 3137301), (27, 1045767), (81, 348589), (359, 78651), (971, 29079), (1077, 26217), (2913, 9693), (3231, 8739)]