72731085

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 138711552

約数和(自身を除く): 65980467

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 97, 105, 111, 185, 193, 259, 291, 485, 555, 579, 679, 777, 965, 1295, 1351, 1455, 2037, 2895, 3395, 3589, 3885, 4053, 6755, 7141, 10185, 10767, 17945, 18721, 20265, 21423, 25123, 35705, 49987, 53835, 56163, 75369, 93605, 107115, 125615, 131047, 149961, 249935, 280815, 376845, 393141, 655235, 692677, 749805, 1965705, 2078031, 3463385, 4848739, 10390155, 14546217, 24243695, 72731085]

約数ペア:

[(1, 72731085), (3, 24243695), (5, 14546217), (7, 10390155), (15, 4848739), (21, 3463385), (35, 2078031), (37, 1965705), (97, 749805), (105, 692677), (111, 655235), (185, 393141), (193, 376845), (259, 280815), (291, 249935), (485, 149961), (555, 131047), (579, 125615), (679, 107115), (777, 93605), (965, 75369), (1295, 56163), (1351, 53835), (1455, 49987), (2037, 35705), (2895, 25123), (3395, 21423), (3589, 20265), (3885, 18721), (4053, 17945), (6755, 10767), (7141, 10185)]