243318985

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{607}}^1\times {\mathrm{881}}^1$

素因数の和:1513

約数の個数: 32

約数和(自身を含む): 360364032

約数和(自身を除く): 117045047

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 607, 881, 3035, 4249, 4405, 6167, 7891, 11453, 21245, 30835, 39455, 55237, 57265, 80171, 276185, 400855, 534767, 2673835, 3743369, 6951971, 18716845, 34759855, 48663797, 243318985]

約数ペア:

[(1, 243318985), (5, 48663797), (7, 34759855), (13, 18716845), (35, 6951971), (65, 3743369), (91, 2673835), (455, 534767), (607, 400855), (881, 276185), (3035, 80171), (4249, 57265), (4405, 55237), (6167, 39455), (7891, 30835), (11453, 21245)]