40168665

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20759}}^1$

素因数の和:20813

約数の個数: 24

約数和(自身を含む): 71248320

約数和(自身を除く): 31079655

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 20759, 62277, 103795, 186831, 311385, 892637, 934155, 2677911, 4463185, 8033733, 13389555, 40168665]

約数ペア:

[(1, 40168665), (3, 13389555), (5, 8033733), (9, 4463185), (15, 2677911), (43, 934155), (45, 892637), (129, 311385), (215, 186831), (387, 103795), (645, 62277), (1935, 20759)]