163905833

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{19793}}^1$

素因数の和:19833

約数の個数: 18

約数和(自身を含む): 206471214

約数和(自身を除く): 42565381

約数列:

[1, 7, 13, 49, 91, 169, 637, 1183, 8281, 19793, 138551, 257309, 969857, 1801163, 3345017, 12608141, 23415119, 163905833]

約数ペア:

[(1, 163905833), (7, 23415119), (13, 12608141), (49, 3345017), (91, 1801163), (169, 969857), (637, 257309), (1183, 138551), (8281, 19793)]