27578785

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 38021760

約数和(自身を除く): 10442975

約数列:

[1, 5, 13, 19, 65, 95, 137, 163, 247, 685, 815, 1235, 1781, 2119, 2603, 3097, 8905, 10595, 13015, 15485, 22331, 33839, 40261, 111655, 169195, 201305, 290303, 424289, 1451515, 2121445, 5515757, 27578785]

約数ペア:

[(1, 27578785), (5, 5515757), (13, 2121445), (19, 1451515), (65, 424289), (95, 290303), (137, 201305), (163, 169195), (247, 111655), (685, 40261), (815, 33839), (1235, 22331), (1781, 15485), (2119, 13015), (2603, 10595), (3097, 8905)]