31236855

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8431}}^1$

素因数の和:8471

約数の個数: 32

約数和(自身を含む): 56663040

約数和(自身を除く): 25426185

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 8431, 25293, 42155, 109603, 126465, 160189, 328809, 480567, 548015, 800945, 1644045, 2082457, 2402835, 6247371, 10412285, 31236855]

約数ペア:

[(1, 31236855), (3, 10412285), (5, 6247371), (13, 2402835), (15, 2082457), (19, 1644045), (39, 800945), (57, 548015), (65, 480567), (95, 328809), (195, 160189), (247, 126465), (285, 109603), (741, 42155), (1235, 25293), (3705, 8431)]