28445193

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{12203}}^1$

素因数の和:12253

約数の個数: 24

約数和(自身を含む): 48230208

約数和(自身を除く): 19785015

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 12203, 36609, 85421, 109827, 256263, 451511, 768789, 1354533, 3160577, 4063599, 9481731, 28445193]

約数ペア:

[(1, 28445193), (3, 9481731), (7, 4063599), (9, 3160577), (21, 1354533), (37, 768789), (63, 451511), (111, 256263), (259, 109827), (333, 85421), (777, 36609), (2331, 12203)]