138859413

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{2339}}^1$

素因数の和:2617

約数の個数: 32

約数和(自身を含む): 231828480

約数和(自身を除く): 92969067

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 257, 771, 1799, 2339, 2827, 5397, 7017, 8481, 16373, 19789, 25729, 49119, 59367, 77187, 180103, 540309, 601123, 1803369, 4207861, 6612353, 12623583, 19837059, 46286471, 138859413]

約数ペア:

[(1, 138859413), (3, 46286471), (7, 19837059), (11, 12623583), (21, 6612353), (33, 4207861), (77, 1803369), (231, 601123), (257, 540309), (771, 180103), (1799, 77187), (2339, 59367), (2827, 49119), (5397, 25729), (7017, 19789), (8481, 16373)]