193318209

素因数分解:

$3^2\times 7^1\times {\mathrm{1721}}^1\times {\mathrm{1783}}^1$

素因数の和:3517

約数の個数: 24

約数和(自身を含む): 319492992

約数和(自身を除く): 126174783

約数列:

[1, 3, 7, 9, 21, 63, 1721, 1783, 5163, 5349, 12047, 12481, 15489, 16047, 36141, 37443, 108423, 112329, 3068543, 9205629, 21479801, 27616887, 64439403, 193318209]

約数ペア:

[(1, 193318209), (3, 64439403), (7, 27616887), (9, 21479801), (21, 9205629), (63, 3068543), (1721, 112329), (1783, 108423), (5163, 37443), (5349, 36141), (12047, 16047), (12481, 15489)]