28494207

素因数分解:

$3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1409}}^1$

素因数の和:1532

約数の個数: 32

約数和(自身を含む): 48729600

約数和(自身を除く): 20235393

約数列:

[1, 3, 7, 9, 21, 27, 63, 107, 189, 321, 749, 963, 1409, 2247, 2889, 4227, 6741, 9863, 12681, 20223, 29589, 38043, 88767, 150763, 266301, 452289, 1055341, 1356867, 3166023, 4070601, 9498069, 28494207]

約数ペア:

[(1, 28494207), (3, 9498069), (7, 4070601), (9, 3166023), (21, 1356867), (27, 1055341), (63, 452289), (107, 266301), (189, 150763), (321, 88767), (749, 38043), (963, 29589), (1409, 20223), (2247, 12681), (2889, 9863), (4227, 6741)]