56721627

素因数分解:

$3^4\times {\mathrm{307}}^1\times {\mathrm{2281}}^1$

素因数の和:2600

約数の個数: 20

約数和(自身を含む): 85045576

約数和(自身を除く): 28323949

約数列:

[1, 3, 9, 27, 81, 307, 921, 2281, 2763, 6843, 8289, 20529, 24867, 61587, 184761, 700267, 2100801, 6302403, 18907209, 56721627]

約数ペア:

[(1, 56721627), (3, 18907209), (9, 6302403), (27, 2100801), (81, 700267), (307, 184761), (921, 61587), (2281, 24867), (2763, 20529), (6843, 8289)]