28283265

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{21673}}^1$

素因数の和:21713

約数の個数: 24

約数和(自身を含む): 50717160

約数和(自身を除く): 22433895

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 21673, 65019, 108365, 195057, 325095, 628517, 975285, 1885551, 3142585, 5656653, 9427755, 28283265]

約数ペア:

[(1, 28283265), (3, 9427755), (5, 5656653), (9, 3142585), (15, 1885551), (29, 975285), (45, 628517), (87, 325095), (145, 195057), (261, 108365), (435, 65019), (1305, 21673)]