15721495907

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{4896137}}^1$

素因数の和:4896182

約数の個数: 12

約数和(自身を含む): 17919865080

約数和(自身を除く): 2198369173

約数列:

[1, 13, 19, 169, 247, 3211, 4896137, 63649781, 93026603, 827447153, 1209345839, 15721495907]

約数ペア:

[(1, 15721495907), (13, 1209345839), (19, 827447153), (169, 93026603), (247, 63649781), (3211, 4896137)]