8647515

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 15855840

約数和(自身を除く): 7208325

約数列:

[1, 3, 5, 9, 15, 41, 43, 45, 109, 123, 129, 205, 215, 327, 369, 387, 545, 615, 645, 981, 1635, 1763, 1845, 1935, 4469, 4687, 4905, 5289, 8815, 13407, 14061, 15867, 22345, 23435, 26445, 40221, 42183, 67035, 70305, 79335, 192167, 201105, 210915, 576501, 960835, 1729503, 2882505, 8647515]

約数ペア:

[(1, 8647515), (3, 2882505), (5, 1729503), (9, 960835), (15, 576501), (41, 210915), (43, 201105), (45, 192167), (109, 79335), (123, 70305), (129, 67035), (205, 42183), (215, 40221), (327, 26445), (369, 23435), (387, 22345), (545, 15867), (615, 14061), (645, 13407), (981, 8815), (1635, 5289), (1763, 4905), (1845, 4687), (1935, 4469)]