18587475

素因数分解:

$3^4\times 5^2\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:226

約数の個数: 60

約数和(自身を含む): 35199384

約数和(自身を除く): 16611909

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 67, 75, 81, 135, 137, 201, 225, 335, 405, 411, 603, 675, 685, 1005, 1233, 1675, 1809, 2025, 2055, 3015, 3425, 3699, 5025, 5427, 6165, 9045, 9179, 10275, 11097, 15075, 18495, 27135, 27537, 30825, 45225, 45895, 55485, 82611, 92475, 135675, 137685, 229475, 247833, 277425, 413055, 688425, 743499, 1239165, 2065275, 3717495, 6195825, 18587475]

約数ペア:

[(1, 18587475), (3, 6195825), (5, 3717495), (9, 2065275), (15, 1239165), (25, 743499), (27, 688425), (45, 413055), (67, 277425), (75, 247833), (81, 229475), (135, 137685), (137, 135675), (201, 92475), (225, 82611), (335, 55485), (405, 45895), (411, 45225), (603, 30825), (675, 27537), (685, 27135), (1005, 18495), (1233, 15075), (1675, 11097), (1809, 10275), (2025, 9179), (2055, 9045), (3015, 6165), (3425, 5427), (3699, 5025)]