38987973

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{13009}}^1$

素因数の和:13058

約数の個数: 20

約数和(自身を含む): 59819980

約数和(自身を除く): 20832007

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 13009, 39027, 117081, 351243, 481333, 1053729, 1443999, 4331997, 12995991, 38987973]

約数ペア:

[(1, 38987973), (3, 12995991), (9, 4331997), (27, 1443999), (37, 1053729), (81, 481333), (111, 351243), (333, 117081), (999, 39027), (2997, 13009)]