28369395

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{21739}}^1$

素因数の和:21779

約数の個数: 24

約数和(自身を含む): 50871600

約数和(自身を除く): 22502205

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 21739, 65217, 108695, 195651, 326085, 630431, 978255, 1891293, 3152155, 5673879, 9456465, 28369395]

約数ペア:

[(1, 28369395), (3, 9456465), (5, 5673879), (9, 3152155), (15, 1891293), (29, 978255), (45, 630431), (87, 326085), (145, 195651), (261, 108695), (435, 65217), (1305, 21739)]