30853431

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{4493}}^1$

素因数の和:4615

約数の個数: 24

約数和(自身を含む): 51411360

約数和(自身を除く): 20557929

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 4493, 6867, 13479, 31451, 40437, 94353, 283059, 489737, 1469211, 3428159, 4407633, 10284477, 30853431]

約数ペア:

[(1, 30853431), (3, 10284477), (7, 4407633), (9, 3428159), (21, 1469211), (63, 489737), (109, 283059), (327, 94353), (763, 40437), (981, 31451), (2289, 13479), (4493, 6867)]