1641465

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{193}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 3389568

約数和(自身を除く): 1748103

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 193, 243, 315, 405, 567, 579, 945, 965, 1215, 1351, 1701, 1737, 2835, 2895, 4053, 5211, 6755, 8505, 8685, 12159, 15633, 20265, 26055, 36477, 46899, 60795, 78165, 109431, 182385, 234495, 328293, 547155, 1641465]

約数ペア:

[(1, 1641465), (3, 547155), (5, 328293), (7, 234495), (9, 182385), (15, 109431), (21, 78165), (27, 60795), (35, 46899), (45, 36477), (63, 26055), (81, 20265), (105, 15633), (135, 12159), (189, 8685), (193, 8505), (243, 6755), (315, 5211), (405, 4053), (567, 2895), (579, 2835), (945, 1737), (965, 1701), (1215, 1351)]