28759899

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{19289}}^1$

素因数の和:19370

約数の個数: 16

約数和(自身を含む): 44444160

約数和(自身を除く): 15684261

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 19289, 57867, 135023, 405069, 1369519, 4108557, 9586633, 28759899]

約数ペア:

[(1, 28759899), (3, 9586633), (7, 4108557), (21, 1369519), (71, 405069), (213, 135023), (497, 57867), (1491, 19289)]