81642891

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{145531}}^1$

素因数の和:145562

約数の個数: 16

約数和(自身を含む): 125739648

約数和(自身を除く): 44096757

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 145531, 436593, 1600841, 2474027, 4802523, 7422081, 27214297, 81642891]

約数ペア:

[(1, 81642891), (3, 27214297), (11, 7422081), (17, 4802523), (33, 2474027), (51, 1600841), (187, 436593), (561, 145531)]