81290547

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{25733}}^1$

素因数の和:25761

約数の個数: 24

約数和(自身を含む): 131140464

約数和(自身を除く): 49849917

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 25733, 77199, 231597, 334529, 694791, 1003587, 2084373, 3010761, 6253119, 9032283, 27096849, 81290547]

約数ペア:

[(1, 81290547), (3, 27096849), (9, 9032283), (13, 6253119), (27, 3010761), (39, 2084373), (81, 1003587), (117, 694791), (243, 334529), (351, 231597), (1053, 77199), (3159, 25733)]