51620457

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{683}}^1$

素因数の和:813

約数の個数: 32

約数和(自身を含む): 81423360

約数和(自身を除く): 29802903

約数列:

[1, 3, 7, 21, 59, 61, 177, 183, 413, 427, 683, 1239, 1281, 2049, 3599, 4781, 10797, 14343, 25193, 40297, 41663, 75579, 120891, 124989, 282079, 291641, 846237, 874923, 2458117, 7374351, 17206819, 51620457]

約数ペア:

[(1, 51620457), (3, 17206819), (7, 7374351), (21, 2458117), (59, 874923), (61, 846237), (177, 291641), (183, 282079), (413, 124989), (427, 120891), (683, 75579), (1239, 41663), (1281, 40297), (2049, 25193), (3599, 14343), (4781, 10797)]