84215871

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{1999}}^1$

素因数の和:2187

約数の個数: 24

約数和(自身を含む): 126464000

約数和(自身を除く): 42248129

約数列:

[1, 3, 9, 31, 93, 151, 279, 453, 1359, 1999, 4681, 5997, 14043, 17991, 42129, 61969, 185907, 301849, 557721, 905547, 2716641, 9357319, 28071957, 84215871]

約数ペア:

[(1, 84215871), (3, 28071957), (9, 9357319), (31, 2716641), (93, 905547), (151, 557721), (279, 301849), (453, 185907), (1359, 61969), (1999, 42129), (4681, 17991), (5997, 14043)]