1286157999

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{911}}^1$

素因数の和:1060

約数の個数: 64

約数和(自身を含む): 2129264640

約数和(自身を除く): 843106641

約数列:

[1, 3, 7, 21, 23, 37, 69, 79, 111, 161, 237, 259, 483, 553, 777, 851, 911, 1659, 1817, 2553, 2733, 2923, 5451, 5957, 6377, 8769, 12719, 17871, 19131, 20461, 20953, 33707, 38157, 61383, 62859, 67229, 71969, 101121, 146671, 201687, 215907, 235949, 440013, 470603, 503783, 707847, 775261, 1411809, 1511349, 1655287, 2325783, 2662853, 4965861, 5426827, 7988559, 11587009, 16280481, 18639971, 34761027, 55919913, 61245619, 183736857, 428719333, 1286157999]

約数ペア:

[(1, 1286157999), (3, 428719333), (7, 183736857), (21, 61245619), (23, 55919913), (37, 34761027), (69, 18639971), (79, 16280481), (111, 11587009), (161, 7988559), (237, 5426827), (259, 4965861), (483, 2662853), (553, 2325783), (777, 1655287), (851, 1511349), (911, 1411809), (1659, 775261), (1817, 707847), (2553, 503783), (2733, 470603), (2923, 440013), (5451, 235949), (5957, 215907), (6377, 201687), (8769, 146671), (12719, 101121), (17871, 71969), (19131, 67229), (20461, 62859), (20953, 61383), (33707, 38157)]