173639943

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1$

素因数の和:469

約数の個数: 40

約数和(自身を含む): 266412960

約数和(自身を除く): 92773017

約数列:

[1, 3, 9, 27, 71, 81, 109, 213, 277, 327, 639, 831, 981, 1917, 2493, 2943, 5751, 7479, 7739, 8829, 19667, 22437, 23217, 30193, 59001, 69651, 90579, 177003, 208953, 271737, 531009, 626859, 815211, 1593027, 2143703, 2445633, 6431109, 19293327, 57879981, 173639943]

約数ペア:

[(1, 173639943), (3, 57879981), (9, 19293327), (27, 6431109), (71, 2445633), (81, 2143703), (109, 1593027), (213, 815211), (277, 626859), (327, 531009), (639, 271737), (831, 208953), (981, 177003), (1917, 90579), (2493, 69651), (2943, 59001), (5751, 30193), (7479, 23217), (7739, 22437), (8829, 19667)]