11983221

素因数分解:

$3^4\times {\mathrm{239}}^1\times {\mathrm{619}}^1$

素因数の和:870

約数の個数: 20

約数和(自身を含む): 18004800

約数和(自身を除く): 6021579

約数列:

[1, 3, 9, 27, 81, 239, 619, 717, 1857, 2151, 5571, 6453, 16713, 19359, 50139, 147941, 443823, 1331469, 3994407, 11983221]

約数ペア:

[(1, 11983221), (3, 3994407), (9, 1331469), (27, 443823), (81, 147941), (239, 50139), (619, 19359), (717, 16713), (1857, 6453), (2151, 5571)]