77280345

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{24889}}^1$

素因数の和:24926

約数の個数: 32

約数和(自身を含む): 143366400

約数和(自身を除く): 66086055

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 24889, 74667, 124445, 224001, 373335, 572447, 672003, 1120005, 1717341, 2862235, 3360015, 5152023, 8586705, 15456069, 25760115, 77280345]

約数ペア:

[(1, 77280345), (3, 25760115), (5, 15456069), (9, 8586705), (15, 5152023), (23, 3360015), (27, 2862235), (45, 1717341), (69, 1120005), (115, 672003), (135, 572447), (207, 373335), (345, 224001), (621, 124445), (1035, 74667), (3105, 24889)]