16507287

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:268

約数の個数: 32

約数和(自身を含む): 25344000

約数和(自身を除く): 8836713

約数列:

[1, 3, 9, 27, 71, 79, 109, 213, 237, 327, 639, 711, 981, 1917, 2133, 2943, 5609, 7739, 8611, 16827, 23217, 25833, 50481, 69651, 77499, 151443, 208953, 232497, 611381, 1834143, 5502429, 16507287]

約数ペア:

[(1, 16507287), (3, 5502429), (9, 1834143), (27, 611381), (71, 232497), (79, 208953), (109, 151443), (213, 77499), (237, 69651), (327, 50481), (639, 25833), (711, 23217), (981, 16827), (1917, 8611), (2133, 7739), (2943, 5609)]