661540635

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41179}}^1$

素因数の和:41217

約数の個数: 64

約数和(自身を含む): 1423180800

約数和(自身を除く): 761640165

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 45, 51, 63, 85, 105, 119, 135, 153, 189, 255, 315, 357, 459, 595, 765, 945, 1071, 1785, 2295, 3213, 5355, 16065, 41179, 123537, 205895, 288253, 370611, 617685, 700043, 864759, 1111833, 1441265, 1853055, 2100129, 2594277, 3500215, 4323795, 4900301, 5559165, 6300387, 7782831, 10500645, 12971385, 14700903, 18901161, 24501505, 31501935, 38914155, 44102709, 73504515, 94505805, 132308127, 220513545, 661540635]

約数ペア:

[(1, 661540635), (3, 220513545), (5, 132308127), (7, 94505805), (9, 73504515), (15, 44102709), (17, 38914155), (21, 31501935), (27, 24501505), (35, 18901161), (45, 14700903), (51, 12971385), (63, 10500645), (85, 7782831), (105, 6300387), (119, 5559165), (135, 4900301), (153, 4323795), (189, 3500215), (255, 2594277), (315, 2100129), (357, 1853055), (459, 1441265), (595, 1111833), (765, 864759), (945, 700043), (1071, 617685), (1785, 370611), (2295, 288253), (3213, 205895), (5355, 123537), (16065, 41179)]