4007787

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1373}}^1$

素因数の和:1522

約数の個数: 16

約数和(自身を含む): 6155520

約数和(自身を除く): 2147733

約数列:

[1, 3, 7, 21, 139, 417, 973, 1373, 2919, 4119, 9611, 28833, 190847, 572541, 1335929, 4007787]

約数ペア:

[(1, 4007787), (3, 1335929), (7, 572541), (21, 190847), (139, 28833), (417, 9611), (973, 4119), (1373, 2919)]