347729193

素因数分解:

$3^4\times 7^1\times {\mathrm{613279}}^1$

素因数の和:613298

約数の個数: 20

約数和(自身を含む): 593655040

約数和(自身を除く): 245925847

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 613279, 1839837, 4292953, 5519511, 12878859, 16558533, 38636577, 49675599, 115909731, 347729193]

約数ペア:

[(1, 347729193), (3, 115909731), (7, 49675599), (9, 38636577), (21, 16558533), (27, 12878859), (63, 5519511), (81, 4292953), (189, 1839837), (567, 613279)]