31680285

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23209}}^1$

素因数の和:23237

約数の個数: 32

約数和(自身を含む): 62388480

約数和(自身を除く): 30708195

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 23209, 69627, 116045, 162463, 301717, 348135, 487389, 812315, 905151, 1508585, 2112019, 2436945, 4525755, 6336057, 10560095, 31680285]

約数ペア:

[(1, 31680285), (3, 10560095), (5, 6336057), (7, 4525755), (13, 2436945), (15, 2112019), (21, 1508585), (35, 905151), (39, 812315), (65, 487389), (91, 348135), (105, 301717), (195, 162463), (273, 116045), (455, 69627), (1365, 23209)]