2106909

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{631}}^1$

素因数の和:697

約数の個数: 24

約数和(自身を含む): 3549312

約数和(自身を除く): 1442403

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 631, 1113, 1893, 3339, 4417, 5679, 13251, 33443, 39753, 100329, 234101, 300987, 702303, 2106909]

約数ペア:

[(1, 2106909), (3, 702303), (7, 300987), (9, 234101), (21, 100329), (53, 39753), (63, 33443), (159, 13251), (371, 5679), (477, 4417), (631, 3339), (1113, 1893)]