1207912905

素因数分解:

$3^8\times 5^1\times {\mathrm{36821}}^1$

素因数の和:36850

約数の個数: 36

約数和(自身を含む): 2174191812

約数和(自身を除く): 966278907

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 2187, 3645, 6561, 10935, 32805, 36821, 110463, 184105, 331389, 552315, 994167, 1656945, 2982501, 4970835, 8947503, 14912505, 26842509, 44737515, 80527527, 134212545, 241582581, 402637635, 1207912905]

約数ペア:

[(1, 1207912905), (3, 402637635), (5, 241582581), (9, 134212545), (15, 80527527), (27, 44737515), (45, 26842509), (81, 14912505), (135, 8947503), (243, 4970835), (405, 2982501), (729, 1656945), (1215, 994167), (2187, 552315), (3645, 331389), (6561, 184105), (10935, 110463), (32805, 36821)]