13540779

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^2\times {\mathrm{157}}^1$

素因数の和:244

約数の個数: 36

約数和(自身を含む): 23119824

約数和(自身を除く): 9579045

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 157, 259, 333, 471, 777, 1099, 1369, 1413, 2331, 3297, 4107, 5809, 9583, 9891, 12321, 17427, 28749, 40663, 52281, 86247, 121989, 214933, 365967, 644799, 1504531, 1934397, 4513593, 13540779]

約数ペア:

[(1, 13540779), (3, 4513593), (7, 1934397), (9, 1504531), (21, 644799), (37, 365967), (63, 214933), (111, 121989), (157, 86247), (259, 52281), (333, 40663), (471, 28749), (777, 17427), (1099, 12321), (1369, 9891), (1413, 9583), (2331, 5809), (3297, 4107)]