27991419

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1\times {\mathrm{613}}^1$

素因数の和:1138

約数の個数: 16

約数和(自身を含む): 38667264

約数和(自身を除く): 10675845

約数列:

[1, 3, 31, 93, 491, 613, 1473, 1839, 15221, 19003, 45663, 57009, 300983, 902949, 9330473, 27991419]

約数ペア:

[(1, 27991419), (3, 9330473), (31, 902949), (93, 300983), (491, 57009), (613, 45663), (1473, 19003), (1839, 15221)]