81855487

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{4157}}^1$

素因数の和:4290

約数の個数: 16

約数和(自身を含む): 97796160

約数和(自身を除く): 15940673

約数列:

[1, 7, 29, 97, 203, 679, 2813, 4157, 19691, 29099, 120553, 403229, 843871, 2822603, 11693641, 81855487]

約数ペア:

[(1, 81855487), (7, 11693641), (29, 2822603), (97, 843871), (203, 403229), (679, 120553), (2813, 29099), (4157, 19691)]