1388960055

素因数分解:

$3^6\times 5^1\times 7^1\times {\mathrm{54437}}^1$

素因数の和:54467

約数の個数: 56

約数和(自身を含む): 2856035232

約数和(自身を除く): 1467075177

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 405, 567, 729, 945, 1215, 1701, 2835, 3645, 5103, 8505, 25515, 54437, 163311, 272185, 381059, 489933, 816555, 1143177, 1469799, 1905295, 2449665, 3429531, 4409397, 5715885, 7348995, 10288593, 13228191, 17147655, 22046985, 30865779, 39684573, 51442965, 66140955, 92597337, 154328895, 198422865, 277792011, 462986685, 1388960055]

約数ペア:

[(1, 1388960055), (3, 462986685), (5, 277792011), (7, 198422865), (9, 154328895), (15, 92597337), (21, 66140955), (27, 51442965), (35, 39684573), (45, 30865779), (63, 22046985), (81, 17147655), (105, 13228191), (135, 10288593), (189, 7348995), (243, 5715885), (315, 4409397), (405, 3429531), (567, 2449665), (729, 1905295), (945, 1469799), (1215, 1143177), (1701, 816555), (2835, 489933), (3645, 381059), (5103, 272185), (8505, 163311), (25515, 54437)]