620739

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:239

約数の個数: 24

約数和(自身を含む): 1048320

約数和(自身を除く): 427581

約数列:

[1, 3, 7, 9, 21, 59, 63, 167, 177, 413, 501, 531, 1169, 1239, 1503, 3507, 3717, 9853, 10521, 29559, 68971, 88677, 206913, 620739]

約数ペア:

[(1, 620739), (3, 206913), (7, 88677), (9, 68971), (21, 29559), (59, 10521), (63, 9853), (167, 3717), (177, 3507), (413, 1503), (501, 1239), (531, 1169)]