251012169

素因数分解:

$3^3\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{1109}}^1$

素因数の和:1302

約数の個数: 32

約数和(自身を含む): 380419200

約数和(自身を除く): 129407031

約数列:

[1, 3, 9, 27, 83, 101, 249, 303, 747, 909, 1109, 2241, 2727, 3327, 8383, 9981, 25149, 29943, 75447, 92047, 112009, 226341, 276141, 336027, 828423, 1008081, 2485269, 3024243, 9296747, 27890241, 83670723, 251012169]

約数ペア:

[(1, 251012169), (3, 83670723), (9, 27890241), (27, 9296747), (83, 3024243), (101, 2485269), (249, 1008081), (303, 828423), (747, 336027), (909, 276141), (1109, 226341), (2241, 112009), (2727, 92047), (3327, 75447), (8383, 29943), (9981, 25149)]