31090689

素因数分解:

$3^3\times 7^1\times {\mathrm{179}}^1\times {\mathrm{919}}^1$

素因数の和:1114

約数の個数: 32

約数和(自身を含む): 52992000

約数和(自身を除く): 21901311

約数列:

[1, 3, 7, 9, 21, 27, 63, 179, 189, 537, 919, 1253, 1611, 2757, 3759, 4833, 6433, 8271, 11277, 19299, 24813, 33831, 57897, 164501, 173691, 493503, 1151507, 1480509, 3454521, 4441527, 10363563, 31090689]

約数ペア:

[(1, 31090689), (3, 10363563), (7, 4441527), (9, 3454521), (21, 1480509), (27, 1151507), (63, 493503), (179, 173691), (189, 164501), (537, 57897), (919, 33831), (1253, 24813), (1611, 19299), (2757, 11277), (3759, 8271), (4833, 6433)]