28277691

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{15427}}^1$

素因数の和:15490

約数の個数: 16

約数和(自身を含む): 41470464

約数和(自身を除く): 13192773

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 15427, 46281, 200551, 601653, 725069, 2175207, 9425897, 28277691]

約数ペア:

[(1, 28277691), (3, 9425897), (13, 2175207), (39, 725069), (47, 601653), (141, 200551), (611, 46281), (1833, 15427)]