521656317

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{1471}}^1$

素因数の和:1930

約数の個数: 48

約数和(自身を含む): 930162688

約数和(自身を除く): 408506371

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 433, 819, 1299, 1471, 3031, 3897, 4413, 5629, 9093, 10297, 13239, 16887, 19123, 27279, 30891, 39403, 50661, 57369, 92673, 118209, 133861, 172107, 354627, 401583, 636943, 1204749, 1910829, 4458601, 5732487, 8280259, 13375803, 24840777, 40127409, 57961813, 74522331, 173885439, 521656317]

約数ペア:

[(1, 521656317), (3, 173885439), (7, 74522331), (9, 57961813), (13, 40127409), (21, 24840777), (39, 13375803), (63, 8280259), (91, 5732487), (117, 4458601), (273, 1910829), (433, 1204749), (819, 636943), (1299, 401583), (1471, 354627), (3031, 172107), (3897, 133861), (4413, 118209), (5629, 92673), (9093, 57369), (10297, 50661), (13239, 39403), (16887, 30891), (19123, 27279)]