28126329

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{11069}}^1$

素因数の和:11101

約数の個数: 24

約数和(自身を含む): 47113920

約数和(自身を除く): 18987591

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 11069, 33207, 77483, 121759, 232449, 365277, 852313, 1339349, 2556939, 4018047, 9375443, 28126329]

約数ペア:

[(1, 28126329), (3, 9375443), (7, 4018047), (11, 2556939), (21, 1339349), (33, 852313), (77, 365277), (121, 232449), (231, 121759), (363, 77483), (847, 33207), (2541, 11069)]