28779219

素因数分解:

$3^5\times 7^2\times {\mathrm{2417}}^1$

素因数の和:2446

約数の個数: 36

約数和(自身を含む): 50168664

約数和(自身を除く): 21389445

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 1323, 1701, 2417, 3969, 7251, 11907, 16919, 21753, 50757, 65259, 118433, 152271, 195777, 355299, 456813, 587331, 1065897, 1370439, 3197691, 4111317, 9593073, 28779219]

約数ペア:

[(1, 28779219), (3, 9593073), (7, 4111317), (9, 3197691), (21, 1370439), (27, 1065897), (49, 587331), (63, 456813), (81, 355299), (147, 195777), (189, 152271), (243, 118433), (441, 65259), (567, 50757), (1323, 21753), (1701, 16919), (2417, 11907), (3969, 7251)]