42087681

素因数分解:

$3^4\times {\mathrm{229}}^1\times {\mathrm{2269}}^1$

素因数の和:2510

約数の個数: 20

約数和(自身を含む): 63174100

約数和(自身を除く): 21086419

約数列:

[1, 3, 9, 27, 81, 229, 687, 2061, 2269, 6183, 6807, 18549, 20421, 61263, 183789, 519601, 1558803, 4676409, 14029227, 42087681]

約数ペア:

[(1, 42087681), (3, 14029227), (9, 4676409), (27, 1558803), (81, 519601), (229, 183789), (687, 61263), (2061, 20421), (2269, 18549), (6183, 6807)]