15990611

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{1931}}^1$

素因数の和:1971

約数の個数: 18

約数和(自身を含む): 20152692

約数和(自身を除く): 4162081

約数列:

[1, 7, 13, 49, 91, 169, 637, 1183, 1931, 8281, 13517, 25103, 94619, 175721, 326339, 1230047, 2284373, 15990611]

約数ペア:

[(1, 15990611), (7, 2284373), (13, 1230047), (49, 326339), (91, 175721), (169, 94619), (637, 25103), (1183, 13517), (1931, 8281)]