199940979

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{307129}}^1$

素因数の和:307170

約数の個数: 16

約数和(自身を含む): 314501120

約数和(自身を除く): 114560141

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 307129, 921387, 2149903, 6449709, 9520999, 28562997, 66646993, 199940979]

約数ペア:

[(1, 199940979), (3, 66646993), (7, 28562997), (21, 9520999), (31, 6449709), (93, 2149903), (217, 921387), (651, 307129)]