81497235

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{797}}^1$

素因数の和:1223

約数の個数: 32

約数和(自身を含む): 138583872

約数和(自身を除く): 57086637

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 401, 797, 1203, 2005, 2391, 3985, 6015, 6817, 11955, 13549, 20451, 34085, 40647, 67745, 102255, 203235, 319597, 958791, 1597985, 4793955, 5433149, 16299447, 27165745, 81497235]

約数ペア:

[(1, 81497235), (3, 27165745), (5, 16299447), (15, 5433149), (17, 4793955), (51, 1597985), (85, 958791), (255, 319597), (401, 203235), (797, 102255), (1203, 67745), (2005, 40647), (2391, 34085), (3985, 20451), (6015, 13549), (6817, 11955)]