55782783

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4157}}^1$

素因数の和:4244

約数の個数: 32

約数和(自身を含む): 95800320

約数和(自身を除く): 40017537

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 1491, 1917, 4157, 4473, 12471, 13419, 29099, 37413, 87297, 112239, 261891, 295147, 785673, 885441, 2066029, 2656323, 6198087, 7968969, 18594261, 55782783]

約数ペア:

[(1, 55782783), (3, 18594261), (7, 7968969), (9, 6198087), (21, 2656323), (27, 2066029), (63, 885441), (71, 785673), (189, 295147), (213, 261891), (497, 112239), (639, 87297), (1491, 37413), (1917, 29099), (4157, 13419), (4473, 12471)]