89141927

素因数分解:

$7^4\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:436

約数の個数: 20

約数和(自身を含む): 105138336

約数和(自身を除く): 15996409

約数列:

[1, 7, 49, 137, 271, 343, 959, 1897, 2401, 6713, 13279, 37127, 46991, 92953, 259889, 328937, 650671, 1819223, 12734561, 89141927]

約数ペア:

[(1, 89141927), (7, 12734561), (49, 1819223), (137, 650671), (271, 328937), (343, 259889), (959, 92953), (1897, 46991), (2401, 37127), (6713, 13279)]