81701262

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{63929}}^1$

素因数の和:64008

約数の個数: 24

約数和(自身を含む): 179515440

約数和(自身を除く): 97814178

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 63929, 127858, 191787, 383574, 575361, 1150722, 4538959, 9077918, 13616877, 27233754, 40850631, 81701262]

約数ペア:

[(1, 81701262), (2, 40850631), (3, 27233754), (6, 13616877), (9, 9077918), (18, 4538959), (71, 1150722), (142, 575361), (213, 383574), (426, 191787), (639, 127858), (1278, 63929)]