220187903

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1459}}^1$

素因数の和:1551

約数の個数: 24

約数和(自身を含む): 256492800

約数和(自身を除く): 36304897

約数列:

[1, 13, 19, 47, 169, 247, 611, 893, 1459, 3211, 7943, 11609, 18967, 27721, 68573, 150917, 246571, 360373, 891449, 1302887, 4684849, 11588837, 16937531, 220187903]

約数ペア:

[(1, 220187903), (13, 16937531), (19, 11588837), (47, 4684849), (169, 1302887), (247, 891449), (611, 360373), (893, 246571), (1459, 150917), (3211, 68573), (7943, 27721), (11609, 18967)]