205587639

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{523}}^1$

素因数の和:769

約数の個数: 40

約数和(自身を含む): 322599552

約数和(自身を除く): 117011913

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 211, 523, 621, 633, 1569, 1863, 1899, 4707, 4853, 5697, 12029, 14121, 14559, 17091, 36087, 42363, 43677, 108261, 110353, 131031, 324783, 331059, 393093, 974349, 993177, 2538119, 2979531, 7614357, 8938593, 22843071, 68529213, 205587639]

約数ペア:

[(1, 205587639), (3, 68529213), (9, 22843071), (23, 8938593), (27, 7614357), (69, 2979531), (81, 2538119), (207, 993177), (211, 974349), (523, 393093), (621, 331059), (633, 324783), (1569, 131031), (1863, 110353), (1899, 108261), (4707, 43677), (4853, 42363), (5697, 36087), (12029, 17091), (14121, 14559)]