28780323

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{919}}^1$

素因数の和:1019

約数の個数: 32

約数和(自身を含む): 45749760

約数和(自身を除く): 16969437

約数列:

[1, 3, 11, 13, 33, 39, 73, 143, 219, 429, 803, 919, 949, 2409, 2757, 2847, 10109, 10439, 11947, 30327, 31317, 35841, 67087, 131417, 201261, 394251, 737957, 872131, 2213871, 2616393, 9593441, 28780323]

約数ペア:

[(1, 28780323), (3, 9593441), (11, 2616393), (13, 2213871), (33, 872131), (39, 737957), (73, 394251), (143, 201261), (219, 131417), (429, 67087), (803, 35841), (919, 31317), (949, 30327), (2409, 11947), (2757, 10439), (2847, 10109)]