28617819

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 42577920

約数和(自身を除く): 13960101

約数列:

[1, 3, 19, 23, 57, 69, 83, 249, 263, 437, 789, 1311, 1577, 1909, 4731, 4997, 5727, 6049, 14991, 18147, 21829, 36271, 65487, 108813, 114931, 344793, 414751, 502067, 1244253, 1506201, 9539273, 28617819]

約数ペア:

[(1, 28617819), (3, 9539273), (19, 1506201), (23, 1244253), (57, 502067), (69, 414751), (83, 344793), (249, 114931), (263, 108813), (437, 65487), (789, 36271), (1311, 21829), (1577, 18147), (1909, 14991), (4731, 6049), (4997, 5727)]