51329745

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 93405312

約数和(自身を除く): 42075567

約数列:

[1, 3, 5, 9, 15, 41, 43, 45, 123, 129, 205, 215, 369, 387, 615, 645, 647, 1763, 1845, 1935, 1941, 3235, 5289, 5823, 8815, 9705, 15867, 26445, 26527, 27821, 29115, 79335, 79581, 83463, 132635, 139105, 238743, 250389, 397905, 417315, 1140661, 1193715, 1251945, 3421983, 5703305, 10265949, 17109915, 51329745]

約数ペア:

[(1, 51329745), (3, 17109915), (5, 10265949), (9, 5703305), (15, 3421983), (41, 1251945), (43, 1193715), (45, 1140661), (123, 417315), (129, 397905), (205, 250389), (215, 238743), (369, 139105), (387, 132635), (615, 83463), (645, 79581), (647, 79335), (1763, 29115), (1845, 27821), (1935, 26527), (1941, 26445), (3235, 15867), (5289, 9705), (5823, 8815)]