13721895

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1459}}^1$

素因数の和:1500

約数の個数: 48

約数和(自身を含む): 27331200

約数和(自身を除く): 13609305

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 45, 55, 57, 95, 99, 165, 171, 209, 285, 495, 627, 855, 1045, 1459, 1881, 3135, 4377, 7295, 9405, 13131, 16049, 21885, 27721, 48147, 65655, 80245, 83163, 138605, 144441, 240735, 249489, 304931, 415815, 722205, 914793, 1247445, 1524655, 2744379, 4573965, 13721895]

約数ペア:

[(1, 13721895), (3, 4573965), (5, 2744379), (9, 1524655), (11, 1247445), (15, 914793), (19, 722205), (33, 415815), (45, 304931), (55, 249489), (57, 240735), (95, 144441), (99, 138605), (165, 83163), (171, 80245), (209, 65655), (285, 48147), (495, 27721), (627, 21885), (855, 16049), (1045, 13131), (1459, 9405), (1881, 7295), (3135, 4377)]