17923437

素因数分解:

$3^5\times 7^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 31554432

約数和(自身を除く): 13630995

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 81, 123, 189, 243, 257, 287, 369, 567, 771, 861, 1107, 1701, 1799, 2313, 2583, 3321, 5397, 6939, 7749, 9963, 10537, 16191, 20817, 23247, 31611, 48573, 62451, 69741, 73759, 94833, 145719, 221277, 284499, 437157, 663831, 853497, 1991493, 2560491, 5974479, 17923437]

約数ペア:

[(1, 17923437), (3, 5974479), (7, 2560491), (9, 1991493), (21, 853497), (27, 663831), (41, 437157), (63, 284499), (81, 221277), (123, 145719), (189, 94833), (243, 73759), (257, 69741), (287, 62451), (369, 48573), (567, 31611), (771, 23247), (861, 20817), (1107, 16191), (1701, 10537), (1799, 9963), (2313, 7749), (2583, 6939), (3321, 5397)]