39716487

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{15817}}^1$

素因数の和:15860

約数の個数: 20

約数和(自身を含む): 61247296

約数和(自身を除く): 21530809

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 15817, 47451, 142353, 427059, 490327, 1281177, 1470981, 4412943, 13238829, 39716487]

約数ペア:

[(1, 39716487), (3, 13238829), (9, 4412943), (27, 1470981), (31, 1281177), (81, 490327), (93, 427059), (279, 142353), (837, 47451), (2511, 15817)]