13257621

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{353}}^1$

素因数の和:482

約数の個数: 32

約数和(自身を含む): 21409920

約数和(自身を除く): 8152299

約数列:

[1, 3, 9, 13, 27, 39, 107, 117, 321, 351, 353, 963, 1059, 1391, 2889, 3177, 4173, 4589, 9531, 12519, 13767, 37557, 37771, 41301, 113313, 123903, 339939, 491023, 1019817, 1473069, 4419207, 13257621]

約数ペア:

[(1, 13257621), (3, 4419207), (9, 1473069), (13, 1019817), (27, 491023), (39, 339939), (107, 123903), (117, 113313), (321, 41301), (351, 37771), (353, 37557), (963, 13767), (1059, 12519), (1391, 9531), (2889, 4589), (3177, 4173)]