668801007

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{558731}}^1$

素因数の和:558763

約数の個数: 24

約数和(自身を含む): 1162162560

約数和(自身を除く): 493361553

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 558731, 1676193, 3911117, 5028579, 10615889, 11733351, 31847667, 35200053, 74311223, 95543001, 222933669, 668801007]

約数ペア:

[(1, 668801007), (3, 222933669), (7, 95543001), (9, 74311223), (19, 35200053), (21, 31847667), (57, 11733351), (63, 10615889), (133, 5028579), (171, 3911117), (399, 1676193), (1197, 558731)]