15781233

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{2339}}^1$

素因数の和:2528

約数の個数: 16

約数和(自身を含む): 22800960

約数和(自身を除く): 7019727

約数列:

[1, 3, 13, 39, 173, 519, 2249, 2339, 6747, 7017, 30407, 91221, 404647, 1213941, 5260411, 15781233]

約数ペア:

[(1, 15781233), (3, 5260411), (13, 1213941), (39, 404647), (173, 91221), (519, 30407), (2249, 7017), (2339, 6747)]