68173245

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:336

約数の個数: 80

約数和(自身を含む): 141482880

約数和(自身を除く): 73309635

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 139, 173, 189, 315, 405, 417, 519, 567, 695, 865, 945, 973, 1211, 1251, 1557, 2085, 2595, 2835, 2919, 3633, 3753, 4671, 4865, 6055, 6255, 7785, 8757, 10899, 11259, 14013, 14595, 18165, 18765, 23355, 24047, 26271, 32697, 43785, 54495, 56295, 70065, 72141, 78813, 98091, 120235, 131355, 163485, 168329, 216423, 360705, 394065, 490455, 504987, 649269, 841645, 1082115, 1514961, 1947807, 2524935, 3246345, 4544883, 7574805, 9739035, 13634649, 22724415, 68173245]

約数ペア:

[(1, 68173245), (3, 22724415), (5, 13634649), (7, 9739035), (9, 7574805), (15, 4544883), (21, 3246345), (27, 2524935), (35, 1947807), (45, 1514961), (63, 1082115), (81, 841645), (105, 649269), (135, 504987), (139, 490455), (173, 394065), (189, 360705), (315, 216423), (405, 168329), (417, 163485), (519, 131355), (567, 120235), (695, 98091), (865, 78813), (945, 72141), (973, 70065), (1211, 56295), (1251, 54495), (1557, 43785), (2085, 32697), (2595, 26271), (2835, 24047), (2919, 23355), (3633, 18765), (3753, 18165), (4671, 14595), (4865, 14013), (6055, 11259), (6255, 10899), (7785, 8757)]