1338987

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:187

約数の個数: 24

約数和(自身を含む): 2049600

約数和(自身を除く): 710613

約数列:

[1, 3, 13, 19, 39, 57, 139, 169, 247, 417, 507, 741, 1807, 2641, 3211, 5421, 7923, 9633, 23491, 34333, 70473, 102999, 446329, 1338987]

約数ペア:

[(1, 1338987), (3, 446329), (13, 102999), (19, 70473), (39, 34333), (57, 23491), (139, 9633), (169, 7923), (247, 5421), (417, 3211), (507, 2641), (741, 1807)]