15212197

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{167}}^1$

素因数の和:218

約数の個数: 36

約数和(自身を含む): 21028896

約数和(自身を除く): 5816699

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 167, 169, 539, 637, 1001, 1169, 1183, 1837, 1859, 2171, 7007, 8183, 8281, 12859, 13013, 15197, 23881, 28223, 90013, 91091, 106379, 167167, 197561, 310453, 1170169, 1382927, 2173171, 15212197]

約数ペア:

[(1, 15212197), (7, 2173171), (11, 1382927), (13, 1170169), (49, 310453), (77, 197561), (91, 167167), (143, 106379), (167, 91091), (169, 90013), (539, 28223), (637, 23881), (1001, 15197), (1169, 13013), (1183, 12859), (1837, 8281), (1859, 8183), (2171, 7007)]