80031705

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21601}}^1$

素因数の和:21641

約数の個数: 32

約数和(自身を含む): 145165440

約数和(自身を除く): 65133735

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 21601, 64803, 108005, 280813, 324015, 410419, 842439, 1231257, 1404065, 2052095, 4212195, 5335447, 6156285, 16006341, 26677235, 80031705]

約数ペア:

[(1, 80031705), (3, 26677235), (5, 16006341), (13, 6156285), (15, 5335447), (19, 4212195), (39, 2052095), (57, 1404065), (65, 1231257), (95, 842439), (195, 410419), (247, 324015), (285, 280813), (741, 108005), (1235, 64803), (3705, 21601)]