13240269

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{7247}}^1$

素因数の和:7289

約数の個数: 24

約数和(自身を含む): 22613760

約数和(自身を除く): 9373491

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 7247, 21741, 50729, 65223, 152187, 210163, 456561, 630489, 1471141, 1891467, 4413423, 13240269]

約数ペア:

[(1, 13240269), (3, 4413423), (7, 1891467), (9, 1471141), (21, 630489), (29, 456561), (63, 210163), (87, 152187), (203, 65223), (261, 50729), (609, 21741), (1827, 7247)]