28057731

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{15307}}^1$

素因数の和:15370

約数の個数: 16

約数和(自身を含む): 41147904

約数和(自身を除く): 13090173

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 15307, 45921, 198991, 596973, 719429, 2158287, 9352577, 28057731]

約数ペア:

[(1, 28057731), (3, 9352577), (13, 2158287), (39, 719429), (47, 596973), (141, 198991), (611, 45921), (1833, 15307)]