3920805

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{461}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 8072064

約数和(自身を除く): 4151259

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 405, 461, 567, 945, 1215, 1383, 1701, 2305, 2835, 3227, 4149, 6915, 8505, 9681, 12447, 16135, 20745, 29043, 37341, 48405, 62235, 87129, 112023, 145215, 186705, 261387, 435645, 560115, 784161, 1306935, 3920805]

約数ペア:

[(1, 3920805), (3, 1306935), (5, 784161), (7, 560115), (9, 435645), (15, 261387), (21, 186705), (27, 145215), (35, 112023), (45, 87129), (63, 62235), (81, 48405), (105, 37341), (135, 29043), (189, 20745), (243, 16135), (315, 12447), (405, 9681), (461, 8505), (567, 6915), (945, 4149), (1215, 3227), (1383, 2835), (1701, 2305)]