55138563

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{16603}}^1$

素因数の和:16656

約数の個数: 20

約数和(自身を含む): 84381528

約数和(自身を除く): 29242965

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 16603, 49809, 149427, 448281, 680723, 1344843, 2042169, 6126507, 18379521, 55138563]

約数ペア:

[(1, 55138563), (3, 18379521), (9, 6126507), (27, 2042169), (41, 1344843), (81, 680723), (123, 448281), (369, 149427), (1107, 49809), (3321, 16603)]