12205011

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 21315840

約数和(自身を除く): 9110829

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 169, 181, 247, 273, 399, 507, 543, 741, 1183, 1267, 1729, 2353, 3211, 3439, 3549, 3801, 5187, 7059, 9633, 10317, 16471, 22477, 24073, 30589, 44707, 49413, 67431, 72219, 91767, 134121, 214123, 312949, 581191, 642369, 938847, 1743573, 4068337, 12205011]

約数ペア:

[(1, 12205011), (3, 4068337), (7, 1743573), (13, 938847), (19, 642369), (21, 581191), (39, 312949), (57, 214123), (91, 134121), (133, 91767), (169, 72219), (181, 67431), (247, 49413), (273, 44707), (399, 30589), (507, 24073), (543, 22477), (741, 16471), (1183, 10317), (1267, 9633), (1729, 7059), (2353, 5187), (3211, 3801), (3439, 3549)]