81757775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{5039}}^1$

素因数の和:5119

約数の個数: 24

約数和(自身を含む): 112492800

約数和(自身を除く): 30735025

約数列:

[1, 5, 11, 25, 55, 59, 275, 295, 649, 1475, 3245, 5039, 16225, 25195, 55429, 125975, 277145, 297301, 1385725, 1486505, 3270311, 7432525, 16351555, 81757775]

約数ペア:

[(1, 81757775), (5, 16351555), (11, 7432525), (25, 3270311), (55, 1486505), (59, 1385725), (275, 297301), (295, 277145), (649, 125975), (1475, 55429), (3245, 25195), (5039, 16225)]