27745575

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{199}}^1$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 54460800

約数和(自身を除く): 26715225

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 143, 165, 169, 195, 199, 275, 325, 429, 507, 597, 715, 825, 845, 975, 995, 1859, 2145, 2189, 2535, 2587, 2985, 3575, 4225, 4975, 5577, 6567, 7761, 9295, 10725, 10945, 12675, 12935, 14925, 27885, 28457, 32835, 33631, 38805, 46475, 54725, 64675, 85371, 100893, 139425, 142285, 164175, 168155, 194025, 369941, 426855, 504465, 711425, 840775, 1109823, 1849705, 2134275, 2522325, 5549115, 9248525, 27745575]

約数ペア:

[(1, 27745575), (3, 9248525), (5, 5549115), (11, 2522325), (13, 2134275), (15, 1849705), (25, 1109823), (33, 840775), (39, 711425), (55, 504465), (65, 426855), (75, 369941), (143, 194025), (165, 168155), (169, 164175), (195, 142285), (199, 139425), (275, 100893), (325, 85371), (429, 64675), (507, 54725), (597, 46475), (715, 38805), (825, 33631), (845, 32835), (975, 28457), (995, 27885), (1859, 14925), (2145, 12935), (2189, 12675), (2535, 10945), (2587, 10725), (2985, 9295), (3575, 7761), (4225, 6567), (4975, 5577)]