989541

素因数分解:

$3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:265

約数の個数: 24

約数和(自身を含む): 1659840

約数和(自身を除く): 670299

約数列:

[1, 3, 7, 9, 21, 63, 113, 139, 339, 417, 791, 973, 1017, 1251, 2373, 2919, 7119, 8757, 15707, 47121, 109949, 141363, 329847, 989541]

約数ペア:

[(1, 989541), (3, 329847), (7, 141363), (9, 109949), (21, 47121), (63, 15707), (113, 8757), (139, 7119), (339, 2919), (417, 2373), (791, 1251), (973, 1017)]