263236959

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{1283}}^1$

素因数の和:1461

約数の個数: 40

約数和(自身を含む): 419482800

約数和(自身を除く): 156245841

約数列:

[1, 3, 9, 17, 27, 51, 81, 149, 153, 447, 459, 1283, 1341, 1377, 2533, 3849, 4023, 7599, 11547, 12069, 21811, 22797, 34641, 65433, 68391, 103923, 191167, 196299, 205173, 573501, 588897, 1720503, 1766691, 3249839, 5161509, 9749517, 15484527, 29248551, 87745653, 263236959]

約数ペア:

[(1, 263236959), (3, 87745653), (9, 29248551), (17, 15484527), (27, 9749517), (51, 5161509), (81, 3249839), (149, 1766691), (153, 1720503), (447, 588897), (459, 573501), (1283, 205173), (1341, 196299), (1377, 191167), (2533, 103923), (3849, 68391), (4023, 65433), (7599, 34641), (11547, 22797), (12069, 21811)]