28515195

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20441}}^1$

素因数の和:20483

約数の個数: 24

約数和(自身を含む): 51023232

約数和(自身を除く): 22508037

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 20441, 61323, 102205, 183969, 306615, 633671, 919845, 1901013, 3168355, 5703039, 9505065, 28515195]

約数ペア:

[(1, 28515195), (3, 9505065), (5, 5703039), (9, 3168355), (15, 1901013), (31, 919845), (45, 633671), (93, 306615), (155, 183969), (279, 102205), (465, 61323), (1395, 20441)]