16780257

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{47807}}^1$

素因数の和:47829

約数の個数: 16

約数和(自身を含む): 26772480

約数和(自身を除く): 9992223

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 47807, 143421, 430263, 621491, 1290789, 1864473, 5593419, 16780257]

約数ペア:

[(1, 16780257), (3, 5593419), (9, 1864473), (13, 1290789), (27, 621491), (39, 430263), (117, 143421), (351, 47807)]