78680025

素因数分解:

$3^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{2843}}^1$

素因数の和:2903

約数の個数: 48

約数和(自身を含む): 148115520

約数和(自身を除く): 69435495

約数列:

[1, 3, 5, 9, 15, 25, 27, 41, 45, 75, 123, 135, 205, 225, 369, 615, 675, 1025, 1107, 1845, 2843, 3075, 5535, 8529, 9225, 14215, 25587, 27675, 42645, 71075, 76761, 116563, 127935, 213225, 349689, 383805, 582815, 639675, 1049067, 1748445, 1919025, 2914075, 3147201, 5245335, 8742225, 15736005, 26226675, 78680025]

約数ペア:

[(1, 78680025), (3, 26226675), (5, 15736005), (9, 8742225), (15, 5245335), (25, 3147201), (27, 2914075), (41, 1919025), (45, 1748445), (75, 1049067), (123, 639675), (135, 582815), (205, 383805), (225, 349689), (369, 213225), (615, 127935), (675, 116563), (1025, 76761), (1107, 71075), (1845, 42645), (2843, 27675), (3075, 25587), (5535, 14215), (8529, 9225)]