27987495

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{14243}}^1$

素因数の和:14382

約数の個数: 16

約数和(自身を含む): 45124992

約数和(自身を除く): 17137497

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 14243, 42729, 71215, 213645, 1865833, 5597499, 9329165, 27987495]

約数ペア:

[(1, 27987495), (3, 9329165), (5, 5597499), (15, 1865833), (131, 213645), (393, 71215), (655, 42729), (1965, 14243)]