1981617

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:181

約数の個数: 24

約数和(自身を含む): 2987712

約数和(自身を除く): 1006095

約数列:

[1, 3, 11, 33, 53, 103, 121, 159, 309, 363, 583, 1133, 1749, 3399, 5459, 6413, 12463, 16377, 19239, 37389, 60049, 180147, 660539, 1981617]

約数ペア:

[(1, 1981617), (3, 660539), (11, 180147), (33, 60049), (53, 37389), (103, 19239), (121, 16377), (159, 12463), (309, 6413), (363, 5459), (583, 3399), (1133, 1749)]