87661845

素因数分解:

$3^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{823}}^1$

素因数の和:1103

約数の個数: 40

約数和(自身を含む): 157931136

約数和(自身を除く): 70269291

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 263, 405, 789, 823, 1315, 2367, 2469, 3945, 4115, 7101, 7407, 11835, 12345, 21303, 22221, 35505, 37035, 66663, 106515, 111105, 216449, 333315, 649347, 1082245, 1948041, 3246735, 5844123, 9740205, 17532369, 29220615, 87661845]

約数ペア:

[(1, 87661845), (3, 29220615), (5, 17532369), (9, 9740205), (15, 5844123), (27, 3246735), (45, 1948041), (81, 1082245), (135, 649347), (263, 333315), (405, 216449), (789, 111105), (823, 106515), (1315, 66663), (2367, 37035), (2469, 35505), (3945, 22221), (4115, 21303), (7101, 12345), (7407, 11835)]