643773

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{971}}^1$

素因数の和:1004

約数の個数: 16

約数和(自身を含む): 979776

約数和(自身を除く): 336003

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 971, 2913, 12623, 16507, 37869, 49521, 214591, 643773]

約数ペア:

[(1, 643773), (3, 214591), (13, 49521), (17, 37869), (39, 16507), (51, 12623), (221, 2913), (663, 971)]