12757581

素因数分解:

$3^4\times {\mathrm{239}}^1\times {\mathrm{659}}^1$

素因数の和:910

約数の個数: 20

約数和(自身を含む): 19166400

約数和(自身を除く): 6408819

約数列:

[1, 3, 9, 27, 81, 239, 659, 717, 1977, 2151, 5931, 6453, 17793, 19359, 53379, 157501, 472503, 1417509, 4252527, 12757581]

約数ペア:

[(1, 12757581), (3, 4252527), (9, 1417509), (27, 472503), (81, 157501), (239, 53379), (659, 19359), (717, 17793), (1977, 6453), (2151, 5931)]