128515383

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{60251}}^1$

素因数の和:60339

約数の個数: 16

約数和(自身を含む): 192806400

約数和(自身を除く): 64291017

約数列:

[1, 3, 9, 27, 79, 237, 711, 2133, 60251, 180753, 542259, 1626777, 4759829, 14279487, 42838461, 128515383]

約数ペア:

[(1, 128515383), (3, 42838461), (9, 14279487), (27, 4759829), (79, 1626777), (237, 542259), (711, 180753), (2133, 60251)]