639198339

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{104393}}^1$

素因数の和:104566

約数の個数: 16

約数和(自身を含む): 923678112

約数和(自身を除く): 284479773

約数列:

[1, 3, 13, 39, 157, 471, 2041, 6123, 104393, 313179, 1357109, 4071327, 16389701, 49169103, 213066113, 639198339]

約数ペア:

[(1, 639198339), (3, 213066113), (13, 49169103), (39, 16389701), (157, 4071327), (471, 1357109), (2041, 313179), (6123, 104393)]