81650115

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{78889}}^1$

素因数の和:78923

約数の個数: 24

約数和(自身を含む): 147682080

約数和(自身を除く): 66031965

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 78889, 236667, 394445, 710001, 1183335, 1814447, 3550005, 5443341, 9072235, 16330023, 27216705, 81650115]

約数ペア:

[(1, 81650115), (3, 27216705), (5, 16330023), (9, 9072235), (15, 5443341), (23, 3550005), (45, 1814447), (69, 1183335), (115, 710001), (207, 394445), (345, 236667), (1035, 78889)]