31481151

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{2003}}^1$

素因数の和:2063

約数の個数: 24

約数和(自身を含む): 46941696

約数和(自身を除く): 15460545

約数列:

[1, 3, 13, 31, 39, 93, 169, 403, 507, 1209, 2003, 5239, 6009, 15717, 26039, 62093, 78117, 186279, 338507, 807209, 1015521, 2421627, 10493717, 31481151]

約数ペア:

[(1, 31481151), (3, 10493717), (13, 2421627), (31, 1015521), (39, 807209), (93, 338507), (169, 186279), (403, 78117), (507, 62093), (1209, 26039), (2003, 15717), (5239, 6009)]