28501245

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20431}}^1$

素因数の和:20473

約数の個数: 24

約数和(自身を含む): 50998272

約数和(自身を除く): 22497027

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 20431, 61293, 102155, 183879, 306465, 633361, 919395, 1900083, 3166805, 5700249, 9500415, 28501245]

約数ペア:

[(1, 28501245), (3, 9500415), (5, 5700249), (9, 3166805), (15, 1900083), (31, 919395), (45, 633361), (93, 306465), (155, 183879), (279, 102155), (465, 61293), (1395, 20431)]