12219831

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 20966400

約数和(自身を除く): 8746569

約数列:

[1, 3, 9, 13, 19, 23, 39, 57, 69, 117, 171, 207, 239, 247, 299, 437, 717, 741, 897, 1311, 2151, 2223, 2691, 3107, 3933, 4541, 5497, 5681, 9321, 13623, 16491, 17043, 27963, 40869, 49473, 51129, 59033, 71461, 104443, 177099, 214383, 313329, 531297, 643149, 939987, 1357759, 4073277, 12219831]

約数ペア:

[(1, 12219831), (3, 4073277), (9, 1357759), (13, 939987), (19, 643149), (23, 531297), (39, 313329), (57, 214383), (69, 177099), (117, 104443), (171, 71461), (207, 59033), (239, 51129), (247, 49473), (299, 40869), (437, 27963), (717, 17043), (741, 16491), (897, 13623), (1311, 9321), (2151, 5681), (2223, 5497), (2691, 4541), (3107, 3933)]