247296939

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^2$

素因数の和:427

約数の個数: 24

約数和(自身を含む): 343311360

約数和(自身を除く): 96014421

約数列:

[1, 3, 47, 79, 141, 149, 237, 447, 3713, 7003, 11139, 11771, 21009, 22201, 35313, 66603, 553237, 1043447, 1659711, 1753879, 3130341, 5261637, 82432313, 247296939]

約数ペア:

[(1, 247296939), (3, 82432313), (47, 5261637), (79, 3130341), (141, 1753879), (149, 1659711), (237, 1043447), (447, 553237), (3713, 66603), (7003, 35313), (11139, 22201), (11771, 21009)]