81311142

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{1231987}}^1$

素因数の和:1232003

約数の個数: 16

約数和(自身を含む): 177406272

約数和(自身を除く): 96095130

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 1231987, 2463974, 3695961, 7391922, 13551857, 27103714, 40655571, 81311142]

約数ペア:

[(1, 81311142), (2, 40655571), (3, 27103714), (6, 13551857), (11, 7391922), (22, 3695961), (33, 2463974), (66, 1231987)]