81340993

素因数分解:

${\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:652

約数の個数: 16

約数和(自身を含む): 86732800

約数和(自身を除く): 5391807

約数列:

[1, 31, 43, 139, 439, 1333, 4309, 5977, 13609, 18877, 61021, 185287, 585187, 1891651, 2623903, 81340993]

約数ペア:

[(1, 81340993), (31, 2623903), (43, 1891651), (139, 585187), (439, 185287), (1333, 61021), (4309, 18877), (5977, 13609)]