2940021

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2029}}^1$

素因数の和:2065

約数の個数: 24

約数和(自身を含む): 5066880

約数和(自身を除く): 2126859

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 2029, 6087, 14203, 18261, 42609, 46667, 127827, 140001, 326669, 420003, 980007, 2940021]

約数ペア:

[(1, 2940021), (3, 980007), (7, 420003), (9, 326669), (21, 140001), (23, 127827), (63, 46667), (69, 42609), (161, 18261), (207, 14203), (483, 6087), (1449, 2029)]