40142839

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{919}}^1$

素因数の和:979

約数の個数: 18

約数和(自身を含む): 46619160

約数和(自身を除く): 6476321

約数列:

[1, 11, 19, 121, 209, 361, 919, 2299, 3971, 10109, 17461, 43681, 111199, 192071, 331759, 2112781, 3649349, 40142839]

約数ペア:

[(1, 40142839), (11, 3649349), (19, 2112781), (121, 331759), (209, 192071), (361, 111199), (919, 43681), (2299, 17461), (3971, 10109)]