15323861

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{137}}^1$

素因数の和:221

約数の個数: 24

約数和(自身を含む): 19231680

約数和(自身を除く): 3907819

約数列:

[1, 7, 19, 29, 133, 137, 203, 551, 841, 959, 2603, 3857, 3973, 5887, 15979, 18221, 27811, 75487, 111853, 115217, 528409, 806519, 2189123, 15323861]

約数ペア:

[(1, 15323861), (7, 2189123), (19, 806519), (29, 528409), (133, 115217), (137, 111853), (203, 75487), (551, 27811), (841, 18221), (959, 15979), (2603, 5887), (3857, 3973)]