2811429

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{569}}^1$

素因数の和:642

約数の個数: 20

約数和(自身を含む): 4276140

約数和(自身を除く): 1464711

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 569, 1647, 1707, 4941, 5121, 15363, 34709, 46089, 104127, 312381, 937143, 2811429]

約数ペア:

[(1, 2811429), (3, 937143), (9, 312381), (27, 104127), (61, 46089), (81, 34709), (183, 15363), (549, 5121), (569, 4941), (1647, 1707)]