81315535

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{122279}}^1$

素因数の和:122310

約数の個数: 16

約数和(自身を含む): 117388800

約数和(自身を除く): 36073265

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 122279, 611395, 855953, 2323301, 4279765, 11616505, 16263107, 81315535]

約数ペア:

[(1, 81315535), (5, 16263107), (7, 11616505), (19, 4279765), (35, 2323301), (95, 855953), (133, 611395), (665, 122279)]