28117005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{267781}}^1$

素因数の和:267796

約数の個数: 16

約数和(自身を含む): 51414144

約数和(自身を除く): 23297139

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 267781, 803343, 1338905, 1874467, 4016715, 5623401, 9372335, 28117005]

約数ペア:

[(1, 28117005), (3, 9372335), (5, 5623401), (7, 4016715), (15, 1874467), (21, 1338905), (35, 803343), (105, 267781)]