28457253

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{1289}}^1$

素因数の和:1529

約数の個数: 24

約数和(自身を含む): 45077760

約数和(自身を除く): 16620507

約数列:

[1, 3, 9, 11, 33, 99, 223, 669, 1289, 2007, 2453, 3867, 7359, 11601, 14179, 22077, 42537, 127611, 287447, 862341, 2587023, 3161917, 9485751, 28457253]

約数ペア:

[(1, 28457253), (3, 9485751), (9, 3161917), (11, 2587023), (33, 862341), (99, 287447), (223, 127611), (669, 42537), (1289, 22077), (2007, 14179), (2453, 11601), (3867, 7359)]