12989889

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:323

約数の個数: 40

約数和(自身を含む): 21605760

約数和(自身を除く): 8615871

約数列:

[1, 3, 9, 11, 27, 33, 61, 81, 99, 183, 239, 297, 549, 671, 717, 891, 1647, 2013, 2151, 2629, 4941, 6039, 6453, 7887, 14579, 18117, 19359, 23661, 43737, 54351, 70983, 131211, 160369, 212949, 393633, 481107, 1180899, 1443321, 4329963, 12989889]

約数ペア:

[(1, 12989889), (3, 4329963), (9, 1443321), (11, 1180899), (27, 481107), (33, 393633), (61, 212949), (81, 160369), (99, 131211), (183, 70983), (239, 54351), (297, 43737), (549, 23661), (671, 19359), (717, 18117), (891, 14579), (1647, 7887), (2013, 6453), (2151, 6039), (2629, 4941)]