1309495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{821}}^1$

素因数の和:866

約数の個数: 16

約数和(自身を含む): 1775520

約数和(自身を除く): 466025

約数列:

[1, 5, 11, 29, 55, 145, 319, 821, 1595, 4105, 9031, 23809, 45155, 119045, 261899, 1309495]

約数ペア:

[(1, 1309495), (5, 261899), (11, 119045), (29, 45155), (55, 23809), (145, 9031), (319, 4105), (821, 1595)]