66168981

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1657}}^1$

素因数の和:1715

約数の個数: 40

約数和(自身を含む): 108333720

約数和(自身を除く): 42164739

約数列:

[1, 3, 9, 17, 27, 29, 51, 81, 87, 153, 261, 459, 493, 783, 1377, 1479, 1657, 2349, 4437, 4971, 13311, 14913, 28169, 39933, 44739, 48053, 84507, 134217, 144159, 253521, 432477, 760563, 816901, 1297431, 2281689, 2450703, 3892293, 7352109, 22056327, 66168981]

約数ペア:

[(1, 66168981), (3, 22056327), (9, 7352109), (17, 3892293), (27, 2450703), (29, 2281689), (51, 1297431), (81, 816901), (87, 760563), (153, 432477), (261, 253521), (459, 144159), (493, 134217), (783, 84507), (1377, 48053), (1479, 44739), (1657, 39933), (2349, 28169), (4437, 14913), (4971, 13311)]