163909251

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2591}}^1$

素因数の和:2685

約数の個数: 40

約数和(自身を含む): 270978048

約数和(自身を除く): 107068797

約数列:

[1, 3, 9, 11, 27, 33, 71, 81, 99, 213, 297, 639, 781, 891, 1917, 2343, 2591, 5751, 7029, 7773, 21087, 23319, 28501, 63261, 69957, 85503, 183961, 209871, 256509, 551883, 769527, 1655649, 2023571, 2308581, 4966947, 6070713, 14900841, 18212139, 54636417, 163909251]

約数ペア:

[(1, 163909251), (3, 54636417), (9, 18212139), (11, 14900841), (27, 6070713), (33, 4966947), (71, 2308581), (81, 2023571), (99, 1655649), (213, 769527), (297, 551883), (639, 256509), (781, 209871), (891, 183961), (1917, 85503), (2343, 69957), (2591, 63261), (5751, 28501), (7029, 23319), (7773, 21087)]