64740681

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{251}}^1$

素因数の和:534

約数の個数: 32

約数和(自身を含む): 99066240

約数和(自身を除く): 34325559

約数列:

[1, 3, 9, 27, 41, 123, 233, 251, 369, 699, 753, 1107, 2097, 2259, 6291, 6777, 9553, 10291, 28659, 30873, 58483, 85977, 92619, 175449, 257931, 277857, 526347, 1579041, 2397803, 7193409, 21580227, 64740681]

約数ペア:

[(1, 64740681), (3, 21580227), (9, 7193409), (27, 2397803), (41, 1579041), (123, 526347), (233, 277857), (251, 257931), (369, 175449), (699, 92619), (753, 85977), (1107, 58483), (2097, 30873), (2259, 28659), (6291, 10291), (6777, 9553)]