12639891

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{22531}}^1$

素因数の和:22562

約数の個数: 16

約数和(自身を含む): 19467648

約数和(自身を除く): 6827757

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 22531, 67593, 247841, 383027, 743523, 1149081, 4213297, 12639891]

約数ペア:

[(1, 12639891), (3, 4213297), (11, 1149081), (17, 743523), (33, 383027), (51, 247841), (187, 67593), (561, 22531)]