1640372643

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{3583}}^1$

素因数の和:3665

約数の個数: 72

約数和(自身を含む): 3001270272

約数和(自身を除く): 1360897629

約数列:

[1, 3, 7, 9, 13, 21, 39, 43, 63, 91, 117, 129, 169, 273, 301, 387, 507, 559, 819, 903, 1183, 1521, 1677, 2709, 3549, 3583, 3913, 5031, 7267, 10647, 10749, 11739, 21801, 25081, 32247, 35217, 46579, 50869, 65403, 75243, 139737, 152607, 154069, 225729, 326053, 419211, 457821, 462207, 605527, 978159, 1078483, 1386621, 1816581, 2002897, 2934477, 3235449, 4238689, 5449743, 6008691, 9706347, 12716067, 14020279, 18026073, 26037661, 38148201, 42060837, 78112983, 126182511, 182263627, 234338949, 546790881, 1640372643]

約数ペア:

[(1, 1640372643), (3, 546790881), (7, 234338949), (9, 182263627), (13, 126182511), (21, 78112983), (39, 42060837), (43, 38148201), (63, 26037661), (91, 18026073), (117, 14020279), (129, 12716067), (169, 9706347), (273, 6008691), (301, 5449743), (387, 4238689), (507, 3235449), (559, 2934477), (819, 2002897), (903, 1816581), (1183, 1386621), (1521, 1078483), (1677, 978159), (2709, 605527), (3549, 462207), (3583, 457821), (3913, 419211), (5031, 326053), (7267, 225729), (10647, 154069), (10749, 152607), (11739, 139737), (21801, 75243), (25081, 65403), (32247, 50869), (35217, 46579)]