27765945

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 50843520

約数和(自身を除く): 23077575

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 139, 193, 207, 345, 417, 579, 695, 965, 1035, 1251, 1737, 2085, 2895, 3197, 4439, 6255, 8685, 9591, 13317, 15985, 22195, 26827, 28773, 39951, 47955, 66585, 80481, 134135, 143865, 199755, 241443, 402405, 617021, 1207215, 1851063, 3085105, 5553189, 9255315, 27765945]

約数ペア:

[(1, 27765945), (3, 9255315), (5, 5553189), (9, 3085105), (15, 1851063), (23, 1207215), (45, 617021), (69, 402405), (115, 241443), (139, 199755), (193, 143865), (207, 134135), (345, 80481), (417, 66585), (579, 47955), (695, 39951), (965, 28773), (1035, 26827), (1251, 22195), (1737, 15985), (2085, 13317), (2895, 9591), (3197, 8685), (4439, 6255)]