388615185

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{411233}}^1$

素因数の和:411254

約数の個数: 32

約数和(自身を含む): 789569280

約数和(自身を除く): 400954095

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 411233, 1233699, 2056165, 2878631, 3701097, 6168495, 8635893, 11103291, 14393155, 18505485, 25907679, 43179465, 55516455, 77723037, 129538395, 388615185]

約数ペア:

[(1, 388615185), (3, 129538395), (5, 77723037), (7, 55516455), (9, 43179465), (15, 25907679), (21, 18505485), (27, 14393155), (35, 11103291), (45, 8635893), (63, 6168495), (105, 3701097), (135, 2878631), (189, 2056165), (315, 1233699), (945, 411233)]