3961139

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:147

約数の個数: 32

約数和(自身を含む): 5376000

約数和(自身を除く): 1414861

約数列:

[1, 7, 13, 19, 29, 79, 91, 133, 203, 247, 377, 551, 553, 1027, 1501, 1729, 2291, 2639, 3857, 7163, 7189, 10507, 16037, 19513, 29783, 43529, 50141, 136591, 208481, 304703, 565877, 3961139]

約数ペア:

[(1, 3961139), (7, 565877), (13, 304703), (19, 208481), (29, 136591), (79, 50141), (91, 43529), (133, 29783), (203, 19513), (247, 16037), (377, 10507), (551, 7189), (553, 7163), (1027, 3857), (1501, 2639), (1729, 2291)]