81085491

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{1783}}^1$

素因数の和:1983

約数の個数: 24

約数和(自身を含む): 121711616

約数和(自身を除く): 40626125

約数列:

[1, 3, 9, 31, 93, 163, 279, 489, 1467, 1783, 5053, 5349, 15159, 16047, 45477, 55273, 165819, 290629, 497457, 871887, 2615661, 9009499, 27028497, 81085491]

約数ペア:

[(1, 81085491), (3, 27028497), (9, 9009499), (31, 2615661), (93, 871887), (163, 497457), (279, 290629), (489, 165819), (1467, 55273), (1783, 45477), (5053, 16047), (5349, 15159)]