28231173

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{11243}}^1$

素因数の和:11286

約数の個数: 20

約数和(自身を含む): 43536768

約数和(自身を除く): 15305595

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 11243, 33729, 101187, 303561, 348533, 910683, 1045599, 3136797, 9410391, 28231173]

約数ペア:

[(1, 28231173), (3, 9410391), (9, 3136797), (27, 1045599), (31, 910683), (81, 348533), (93, 303561), (279, 101187), (837, 33729), (2511, 11243)]