1283751

素因数分解:

$3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:132

約数の個数: 36

約数和(自身を含む): 2240784

約数和(自身を除く): 957033

約数列:

[1, 3, 7, 9, 21, 41, 49, 63, 71, 123, 147, 213, 287, 369, 441, 497, 639, 861, 1491, 2009, 2583, 2911, 3479, 4473, 6027, 8733, 10437, 18081, 20377, 26199, 31311, 61131, 142639, 183393, 427917, 1283751]

約数ペア:

[(1, 1283751), (3, 427917), (7, 183393), (9, 142639), (21, 61131), (41, 31311), (49, 26199), (63, 20377), (71, 18081), (123, 10437), (147, 8733), (213, 6027), (287, 4473), (369, 3479), (441, 2911), (497, 2583), (639, 2009), (861, 1491)]