28671639

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{24443}}^1$

素因数の和:24486

約数の個数: 16

約数和(自身を含む): 42239232

約数和(自身を除く): 13567593

約数列:

[1, 3, 17, 23, 51, 69, 391, 1173, 24443, 73329, 415531, 562189, 1246593, 1686567, 9557213, 28671639]

約数ペア:

[(1, 28671639), (3, 9557213), (17, 1686567), (23, 1246593), (51, 562189), (69, 415531), (391, 73329), (1173, 24443)]