261572193

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{164201}}^1$

素因数の和:164269

約数の個数: 16

約数和(自身を含む): 394084800

約数和(自身を除く): 132512607

約数列:

[1, 3, 9, 27, 59, 177, 531, 1593, 164201, 492603, 1477809, 4433427, 9687859, 29063577, 87190731, 261572193]

約数ペア:

[(1, 261572193), (3, 87190731), (9, 29063577), (27, 9687859), (59, 4433427), (177, 1477809), (531, 492603), (1593, 164201)]