285371505

素因数分解:

$3^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{4729}}^1$

素因数の和:4895

約数の個数: 40

約数和(自身を含む): 515097000

約数和(自身を除く): 229725495

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 149, 405, 447, 745, 1341, 2235, 4023, 4729, 6705, 12069, 14187, 20115, 23645, 42561, 60345, 70935, 127683, 212805, 383049, 638415, 704621, 1915245, 2113863, 3523105, 6341589, 10569315, 19024767, 31707945, 57074301, 95123835, 285371505]

約数ペア:

[(1, 285371505), (3, 95123835), (5, 57074301), (9, 31707945), (15, 19024767), (27, 10569315), (45, 6341589), (81, 3523105), (135, 2113863), (149, 1915245), (405, 704621), (447, 638415), (745, 383049), (1341, 212805), (2235, 127683), (4023, 70935), (4729, 60345), (6705, 42561), (12069, 23645), (14187, 20115)]