13680261

素因数分解:

$3^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{463}}^1$

素因数の和:550

約数の個数: 36

約数和(自身を含む): 23380032

約数和(自身を除く): 9699771

約数列:

[1, 3, 7, 9, 21, 49, 63, 67, 147, 201, 441, 463, 469, 603, 1389, 1407, 3241, 3283, 4167, 4221, 9723, 9849, 22687, 29169, 29547, 31021, 68061, 93063, 204183, 217147, 279189, 651441, 1520029, 1954323, 4560087, 13680261]

約数ペア:

[(1, 13680261), (3, 4560087), (7, 1954323), (9, 1520029), (21, 651441), (49, 279189), (63, 217147), (67, 204183), (147, 93063), (201, 68061), (441, 31021), (463, 29547), (469, 29169), (603, 22687), (1389, 9849), (1407, 9723), (3241, 4221), (3283, 4167)]