81027583

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{28723}}^1$

素因数の和:28774

約数の個数: 16

約数和(自身を含む): 102946816

約数和(自身を除く): 21919233

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 28723, 201061, 373399, 890413, 2613793, 6232891, 11575369, 81027583]

約数ペア:

[(1, 81027583), (7, 11575369), (13, 6232891), (31, 2613793), (91, 890413), (217, 373399), (403, 201061), (2821, 28723)]