28057635

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20113}}^1$

素因数の和:20155

約数の個数: 24

約数和(自身を含む): 50204544

約数和(自身を除く): 22146909

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 20113, 60339, 100565, 181017, 301695, 623503, 905085, 1870509, 3117515, 5611527, 9352545, 28057635]

約数ペア:

[(1, 28057635), (3, 9352545), (5, 5611527), (9, 3117515), (15, 1870509), (31, 905085), (45, 623503), (93, 301695), (155, 181017), (279, 100565), (465, 60339), (1395, 20113)]