2782857

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1721}}^1$

素因数の和:1749

約数の個数: 24

約数和(自身を含む): 4711392

約数和(自身を除く): 1928535

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 1721, 5163, 12047, 18931, 36141, 56793, 84329, 132517, 252987, 397551, 927619, 2782857]

約数ペア:

[(1, 2782857), (3, 927619), (7, 397551), (11, 252987), (21, 132517), (33, 84329), (49, 56793), (77, 36141), (147, 18931), (231, 12047), (539, 5163), (1617, 1721)]