78782589

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{1999}}^1$

素因数の和:2185

約数の個数: 24

約数和(自身を含む): 118560000

約数和(自身を除く): 39777411

約数列:

[1, 3, 9, 29, 87, 151, 261, 453, 1359, 1999, 4379, 5997, 13137, 17991, 39411, 57971, 173913, 301849, 521739, 905547, 2716641, 8753621, 26260863, 78782589]

約数ペア:

[(1, 78782589), (3, 26260863), (9, 8753621), (29, 2716641), (87, 905547), (151, 521739), (261, 301849), (453, 173913), (1359, 57971), (1999, 39411), (4379, 17991), (5997, 13137)]