391566231

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1913}}^1$

素因数の和:1970

約数の個数: 60

約数和(自身を含む): 705898512

約数和(自身を除く): 314332281

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 361, 399, 513, 567, 1083, 1197, 1539, 1913, 2527, 3249, 3591, 5739, 7581, 9747, 10773, 13391, 17217, 22743, 29241, 36347, 40173, 51651, 68229, 109041, 120519, 154953, 204687, 254429, 327123, 361557, 690593, 763287, 981369, 1084671, 2071779, 2289861, 2944107, 4834151, 6215337, 6869583, 14502453, 18646011, 20608749, 43507359, 55938033, 130522077, 391566231]

約数ペア:

[(1, 391566231), (3, 130522077), (7, 55938033), (9, 43507359), (19, 20608749), (21, 18646011), (27, 14502453), (57, 6869583), (63, 6215337), (81, 4834151), (133, 2944107), (171, 2289861), (189, 2071779), (361, 1084671), (399, 981369), (513, 763287), (567, 690593), (1083, 361557), (1197, 327123), (1539, 254429), (1913, 204687), (2527, 154953), (3249, 120519), (3591, 109041), (5739, 68229), (7581, 51651), (9747, 40173), (10773, 36347), (13391, 29241), (17217, 22743)]