137473861

素因数分解:

$7^2\times {\mathrm{41}}^2\times {\mathrm{1669}}^1$

素因数の和:1765

約数の個数: 18

約数和(自身を含む): 164012370

約数和(自身を除く): 26538509

約数列:

[1, 7, 41, 49, 287, 1669, 1681, 2009, 11683, 11767, 68429, 81781, 82369, 479003, 2805589, 3353021, 19639123, 137473861]

約数ペア:

[(1, 137473861), (7, 19639123), (41, 3353021), (49, 2805589), (287, 479003), (1669, 82369), (1681, 81781), (2009, 68429), (11683, 11767)]