28116885

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{277}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 46276992

約数和(自身を除く): 18160107

約数列:

[1, 3, 5, 15, 67, 101, 201, 277, 303, 335, 505, 831, 1005, 1385, 1515, 4155, 6767, 18559, 20301, 27977, 33835, 55677, 83931, 92795, 101505, 139885, 278385, 419655, 1874459, 5623377, 9372295, 28116885]

約数ペア:

[(1, 28116885), (3, 9372295), (5, 5623377), (15, 1874459), (67, 419655), (101, 278385), (201, 139885), (277, 101505), (303, 92795), (335, 83931), (505, 55677), (831, 33835), (1005, 27977), (1385, 20301), (1515, 18559), (4155, 6767)]