28671057

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{55889}}^1$

素因数の和:55917

約数の個数: 16

約数和(自身を含む): 44712000

約数和(自身を除く): 16040943

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 55889, 167667, 503001, 1061891, 1509003, 3185673, 9557019, 28671057]

約数ペア:

[(1, 28671057), (3, 9557019), (9, 3185673), (19, 1509003), (27, 1061891), (57, 503001), (171, 167667), (513, 55889)]