13237749

素因数分解:

$3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{631}}^1$

素因数の和:687

約数の個数: 40

約数和(自身を含む): 23247488

約数和(自身を除く): 10009739

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 111, 189, 259, 333, 567, 631, 777, 999, 1893, 2331, 2997, 4417, 5679, 6993, 13251, 17037, 20979, 23347, 39753, 51111, 70041, 119259, 163429, 210123, 357777, 490287, 630369, 1470861, 1891107, 4412583, 13237749]

約数ペア:

[(1, 13237749), (3, 4412583), (7, 1891107), (9, 1470861), (21, 630369), (27, 490287), (37, 357777), (63, 210123), (81, 163429), (111, 119259), (189, 70041), (259, 51111), (333, 39753), (567, 23347), (631, 20979), (777, 17037), (999, 13251), (1893, 6993), (2331, 5679), (2997, 4417)]