17961279

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{6529}}^1$

素因数の和:6670

約数の個数: 16

約数和(自身を含む): 27582720

約数和(自身を除く): 9621441

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 6529, 19587, 45703, 137109, 855299, 2565897, 5987093, 17961279]

約数ペア:

[(1, 17961279), (3, 5987093), (7, 2565897), (21, 855299), (131, 137109), (393, 45703), (917, 19587), (2751, 6529)]