28047033

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4787}}^1$

素因数の和:4834

約数の個数: 32

約数和(自身を含む): 49029120

約数和(自身を除く): 20982087

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 279, 651, 837, 1953, 4787, 5859, 14361, 33509, 43083, 100527, 129249, 148397, 301581, 445191, 904743, 1038779, 1335573, 3116337, 4006719, 9349011, 28047033]

約数ペア:

[(1, 28047033), (3, 9349011), (7, 4006719), (9, 3116337), (21, 1335573), (27, 1038779), (31, 904743), (63, 445191), (93, 301581), (189, 148397), (217, 129249), (279, 100527), (651, 43083), (837, 33509), (1953, 14361), (4787, 5859)]