28663011

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{643}}^1$

素因数の和:792

約数の個数: 32

約数和(自身を含む): 46161920

約数和(自身を除く): 17498909

約数列:

[1, 3, 9, 13, 27, 39, 117, 127, 351, 381, 643, 1143, 1651, 1929, 3429, 4953, 5787, 8359, 14859, 17361, 25077, 44577, 75231, 81661, 225693, 244983, 734949, 1061593, 2204847, 3184779, 9554337, 28663011]

約数ペア:

[(1, 28663011), (3, 9554337), (9, 3184779), (13, 2204847), (27, 1061593), (39, 734949), (117, 244983), (127, 225693), (351, 81661), (381, 75231), (643, 44577), (1143, 25077), (1651, 17361), (1929, 14859), (3429, 8359), (4953, 5787)]