28655757

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{953}}^1$

素因数の和:1229

約数の個数: 24

約数和(自身を含む): 44796024

約数和(自身を除く): 16140267

約数列:

[1, 3, 9, 13, 39, 117, 257, 771, 953, 2313, 2859, 3341, 8577, 10023, 12389, 30069, 37167, 111501, 244921, 734763, 2204289, 3183973, 9551919, 28655757]

約数ペア:

[(1, 28655757), (3, 9551919), (9, 3183973), (13, 2204289), (39, 734763), (117, 244921), (257, 111501), (771, 37167), (953, 30069), (2313, 12389), (2859, 10023), (3341, 8577)]