1640248029

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{201827}}^1$

素因数の和:201886

約数の個数: 32

約数和(自身を含む): 2841738240

約数和(自身を除く): 1201490211

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 2709, 8127, 201827, 605481, 1412789, 1816443, 4238367, 5449329, 8678561, 12715101, 26035683, 38145303, 60749927, 78107049, 182249781, 234321147, 546749343, 1640248029]

約数ペア:

[(1, 1640248029), (3, 546749343), (7, 234321147), (9, 182249781), (21, 78107049), (27, 60749927), (43, 38145303), (63, 26035683), (129, 12715101), (189, 8678561), (301, 5449329), (387, 4238367), (903, 1816443), (1161, 1412789), (2709, 605481), (8127, 201827)]