13968981

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 23587200

約数和(自身を除く): 9618219

約数列:

[1, 3, 9, 13, 23, 29, 39, 69, 87, 117, 179, 207, 261, 299, 377, 537, 667, 897, 1131, 1611, 2001, 2327, 2691, 3393, 4117, 5191, 6003, 6981, 8671, 12351, 15573, 20943, 26013, 37053, 46719, 53521, 67483, 78039, 119393, 160563, 202449, 358179, 481689, 607347, 1074537, 1552109, 4656327, 13968981]

約数ペア:

[(1, 13968981), (3, 4656327), (9, 1552109), (13, 1074537), (23, 607347), (29, 481689), (39, 358179), (69, 202449), (87, 160563), (117, 119393), (179, 78039), (207, 67483), (261, 53521), (299, 46719), (377, 37053), (537, 26013), (667, 20943), (897, 15573), (1131, 12351), (1611, 8671), (2001, 6981), (2327, 6003), (2691, 5191), (3393, 4117)]