28172313

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{80263}}^1$

素因数の和:80285

約数の個数: 16

約数和(自身を含む): 44947840

約数和(自身を除く): 16775527

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 80263, 240789, 722367, 1043419, 2167101, 3130257, 9390771, 28172313]

約数ペア:

[(1, 28172313), (3, 9390771), (9, 3130257), (13, 2167101), (27, 1043419), (39, 722367), (117, 240789), (351, 80263)]