56857275

素因数分解:

$3^3\times 5^2\times {\mathrm{131}}^1\times {\mathrm{643}}^1$

素因数の和:793

約数の個数: 48

約数和(自身を含む): 105409920

約数和(自身を除く): 48552645

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 131, 135, 225, 393, 643, 655, 675, 1179, 1929, 1965, 3215, 3275, 3537, 5787, 5895, 9645, 9825, 16075, 17361, 17685, 28935, 29475, 48225, 84233, 86805, 88425, 144675, 252699, 421165, 434025, 758097, 1263495, 2105825, 2274291, 3790485, 6317475, 11371455, 18952425, 56857275]

約数ペア:

[(1, 56857275), (3, 18952425), (5, 11371455), (9, 6317475), (15, 3790485), (25, 2274291), (27, 2105825), (45, 1263495), (75, 758097), (131, 434025), (135, 421165), (225, 252699), (393, 144675), (643, 88425), (655, 86805), (675, 84233), (1179, 48225), (1929, 29475), (1965, 28935), (3215, 17685), (3275, 17361), (3537, 16075), (5787, 9825), (5895, 9645)]