7978005

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:111

約数の個数: 96

約数和(自身を含む): 17571840

約数和(自身を除く): 9593835

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 31, 35, 43, 45, 57, 63, 93, 95, 105, 129, 133, 155, 171, 215, 217, 279, 285, 301, 315, 387, 399, 465, 589, 645, 651, 665, 817, 855, 903, 1085, 1197, 1333, 1395, 1505, 1767, 1935, 1953, 1995, 2451, 2709, 2945, 3255, 3999, 4085, 4123, 4515, 5301, 5719, 5985, 6665, 7353, 8835, 9331, 9765, 11997, 12255, 12369, 13545, 17157, 19995, 20615, 25327, 26505, 27993, 28595, 36765, 37107, 46655, 51471, 59985, 61845, 75981, 83979, 85785, 126635, 139965, 177289, 185535, 227943, 257355, 379905, 419895, 531867, 886445, 1139715, 1595601, 2659335, 7978005]

約数ペア:

[(1, 7978005), (3, 2659335), (5, 1595601), (7, 1139715), (9, 886445), (15, 531867), (19, 419895), (21, 379905), (31, 257355), (35, 227943), (43, 185535), (45, 177289), (57, 139965), (63, 126635), (93, 85785), (95, 83979), (105, 75981), (129, 61845), (133, 59985), (155, 51471), (171, 46655), (215, 37107), (217, 36765), (279, 28595), (285, 27993), (301, 26505), (315, 25327), (387, 20615), (399, 19995), (465, 17157), (589, 13545), (645, 12369), (651, 12255), (665, 11997), (817, 9765), (855, 9331), (903, 8835), (1085, 7353), (1197, 6665), (1333, 5985), (1395, 5719), (1505, 5301), (1767, 4515), (1935, 4123), (1953, 4085), (1995, 3999), (2451, 3255), (2709, 2945)]