28978059

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{409}}^1$

素因数の和:555

約数の個数: 32

約数和(自身を含む): 44870400

約数和(自身を除く): 15892341

約数列:

[1, 3, 11, 19, 33, 57, 113, 209, 339, 409, 627, 1227, 1243, 2147, 3729, 4499, 6441, 7771, 13497, 23313, 23617, 46217, 70851, 85481, 138651, 256443, 508387, 878123, 1525161, 2634369, 9659353, 28978059]

約数ペア:

[(1, 28978059), (3, 9659353), (11, 2634369), (19, 1525161), (33, 878123), (57, 508387), (113, 256443), (209, 138651), (339, 85481), (409, 70851), (627, 46217), (1227, 23617), (1243, 23313), (2147, 13497), (3729, 7771), (4499, 6441)]