68371425

素因数分解:

$3^3\times 5^2\times {\mathrm{199}}^1\times {\mathrm{509}}^1$

素因数の和:727

約数の個数: 48

約数和(自身を含む): 126480000

約数和(自身を除く): 58108575

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 199, 225, 509, 597, 675, 995, 1527, 1791, 2545, 2985, 4581, 4975, 5373, 7635, 8955, 12725, 13743, 14925, 22905, 26865, 38175, 44775, 68715, 101291, 114525, 134325, 303873, 343575, 506455, 911619, 1519365, 2532275, 2734857, 4558095, 7596825, 13674285, 22790475, 68371425]

約数ペア:

[(1, 68371425), (3, 22790475), (5, 13674285), (9, 7596825), (15, 4558095), (25, 2734857), (27, 2532275), (45, 1519365), (75, 911619), (135, 506455), (199, 343575), (225, 303873), (509, 134325), (597, 114525), (675, 101291), (995, 68715), (1527, 44775), (1791, 38175), (2545, 26865), (2985, 22905), (4581, 14925), (4975, 13743), (5373, 12725), (7635, 8955)]