65705391

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{557}}^1$

素因数の和:840

約数の個数: 32

約数和(自身を含む): 103654080

約数和(自身を除く): 37948689

約数列:

[1, 3, 9, 17, 27, 51, 153, 257, 459, 557, 771, 1671, 2313, 4369, 5013, 6939, 9469, 13107, 15039, 28407, 39321, 85221, 117963, 143149, 255663, 429447, 1288341, 2433533, 3865023, 7300599, 21901797, 65705391]

約数ペア:

[(1, 65705391), (3, 21901797), (9, 7300599), (17, 3865023), (27, 2433533), (51, 1288341), (153, 429447), (257, 255663), (459, 143149), (557, 117963), (771, 85221), (1671, 39321), (2313, 28407), (4369, 15039), (5013, 13107), (6939, 9469)]