69471857

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{571}}^1$

素因数の和:789

約数の個数: 24

約数和(自身を含む): 87639552

約数和(自身を除く): 18167695

約数列:

[1, 7, 13, 49, 91, 191, 571, 637, 1337, 2483, 3997, 7423, 9359, 17381, 27979, 51961, 109061, 121667, 363727, 763427, 1417793, 5343989, 9924551, 69471857]

約数ペア:

[(1, 69471857), (7, 9924551), (13, 5343989), (49, 1417793), (91, 763427), (191, 363727), (571, 121667), (637, 109061), (1337, 51961), (2483, 27979), (3997, 17381), (7423, 9359)]