81285138

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{37321}}^1$

素因数の和:37351

約数の個数: 36

約数和(自身を含む): 193589214

約数和(自身を除く): 112304076

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 121, 198, 242, 363, 726, 1089, 2178, 37321, 74642, 111963, 223926, 335889, 410531, 671778, 821062, 1231593, 2463186, 3694779, 4515841, 7389558, 9031682, 13547523, 27095046, 40642569, 81285138]

約数ペア:

[(1, 81285138), (2, 40642569), (3, 27095046), (6, 13547523), (9, 9031682), (11, 7389558), (18, 4515841), (22, 3694779), (33, 2463186), (66, 1231593), (99, 821062), (121, 671778), (198, 410531), (242, 335889), (363, 223926), (726, 111963), (1089, 74642), (2178, 37321)]