28867887

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{577}}^1$

素因数の和:712

約数の個数: 32

約数和(自身を含む): 45777600

約数和(自身を除く): 16909713

約数列:

[1, 3, 9, 17, 27, 51, 109, 153, 327, 459, 577, 981, 1731, 1853, 2943, 5193, 5559, 9809, 15579, 16677, 29427, 50031, 62893, 88281, 188679, 264843, 566037, 1069181, 1698111, 3207543, 9622629, 28867887]

約数ペア:

[(1, 28867887), (3, 9622629), (9, 3207543), (17, 1698111), (27, 1069181), (51, 566037), (109, 264843), (153, 188679), (327, 88281), (459, 62893), (577, 50031), (981, 29427), (1731, 16677), (1853, 15579), (2943, 9809), (5193, 5559)]