28670187

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{105019}}^1$

素因数の和:105042

約数の個数: 16

約数和(自身を含む): 47048960

約数和(自身を除く): 18378773

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 105019, 315057, 735133, 1365247, 2205399, 4095741, 9556729, 28670187]

約数ペア:

[(1, 28670187), (3, 9556729), (7, 4095741), (13, 2205399), (21, 1365247), (39, 735133), (91, 315057), (273, 105019)]