81398763

素因数分解:

$3^4\times {\mathrm{263}}^1\times {\mathrm{3821}}^1$

素因数の和:4096

約数の個数: 20

約数和(自身を含む): 122089968

約数和(自身を除く): 40691205

約数列:

[1, 3, 9, 27, 81, 263, 789, 2367, 3821, 7101, 11463, 21303, 34389, 103167, 309501, 1004923, 3014769, 9044307, 27132921, 81398763]

約数ペア:

[(1, 81398763), (3, 27132921), (9, 9044307), (27, 3014769), (81, 1004923), (263, 309501), (789, 103167), (2367, 34389), (3821, 21303), (7101, 11463)]