8131221

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6793}}^1$

素因数の和:6825

約数の個数: 24

約数和(自身を含む): 14131520

約数和(自身を除く): 6000299

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 6793, 20379, 47551, 61137, 129067, 142653, 387201, 427959, 903469, 1161603, 2710407, 8131221]

約数ペア:

[(1, 8131221), (3, 2710407), (7, 1161603), (9, 903469), (19, 427959), (21, 387201), (57, 142653), (63, 129067), (133, 61137), (171, 47551), (399, 20379), (1197, 6793)]