28147839

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{1069}}^1$

素因数の和:1270

約数の個数: 16

約数和(自身を含む): 38417280

約数和(自身を除く): 10269441

約数列:

[1, 3, 67, 131, 201, 393, 1069, 3207, 8777, 26331, 71623, 140039, 214869, 420117, 9382613, 28147839]

約数ペア:

[(1, 28147839), (3, 9382613), (67, 420117), (131, 214869), (201, 140039), (393, 71623), (1069, 26331), (3207, 8777)]