84155865

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{823}}^1$

素因数の和:1249

約数の個数: 32

約数和(自身を含む): 143099136

約数和(自身を除く): 58943271

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 401, 823, 1203, 2005, 2469, 4115, 6015, 6817, 12345, 13991, 20451, 34085, 41973, 69955, 102255, 209865, 330023, 990069, 1650115, 4950345, 5610391, 16831173, 28051955, 84155865]

約数ペア:

[(1, 84155865), (3, 28051955), (5, 16831173), (15, 5610391), (17, 4950345), (51, 1650115), (85, 990069), (255, 330023), (401, 209865), (823, 102255), (1203, 69955), (2005, 41973), (2469, 34085), (4115, 20451), (6015, 13991), (6817, 12345)]