121781289

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{859}}^1$

素因数の和:1069

約数の個数: 32

約数和(自身を含む): 191319040

約数和(自身を除く): 69537751

約数列:

[1, 3, 7, 21, 43, 129, 157, 301, 471, 859, 903, 1099, 2577, 3297, 6013, 6751, 18039, 20253, 36937, 47257, 110811, 134863, 141771, 258559, 404589, 775677, 944041, 2832123, 5799109, 17397327, 40593763, 121781289]

約数ペア:

[(1, 121781289), (3, 40593763), (7, 17397327), (21, 5799109), (43, 2832123), (129, 944041), (157, 775677), (301, 404589), (471, 258559), (859, 141771), (903, 134863), (1099, 110811), (2577, 47257), (3297, 36937), (6013, 20253), (6751, 18039)]