81403923

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2003}}^1$

素因数の和:2079

約数の個数: 32

約数和(自身を含む): 123125760

約数和(自身を除く): 41721837

約数列:

[1, 3, 19, 23, 31, 57, 69, 93, 437, 589, 713, 1311, 1767, 2003, 2139, 6009, 13547, 38057, 40641, 46069, 62093, 114171, 138207, 186279, 875311, 1179767, 1428139, 2625933, 3539301, 4284417, 27134641, 81403923]

約数ペア:

[(1, 81403923), (3, 27134641), (19, 4284417), (23, 3539301), (31, 2625933), (57, 1428139), (69, 1179767), (93, 875311), (437, 186279), (589, 138207), (713, 114171), (1311, 62093), (1767, 46069), (2003, 40641), (2139, 38057), (6009, 13547)]