81880029

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{16879}}^1$

素因数の和:16910

約数の個数: 36

約数和(自身を含む): 150096960

約数和(自身を除く): 68216931

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 441, 539, 693, 1617, 4851, 16879, 50637, 118153, 151911, 185669, 354459, 557007, 827071, 1063377, 1299683, 1671021, 2481213, 3899049, 7443639, 9097781, 11697147, 27293343, 81880029]

約数ペア:

[(1, 81880029), (3, 27293343), (7, 11697147), (9, 9097781), (11, 7443639), (21, 3899049), (33, 2481213), (49, 1671021), (63, 1299683), (77, 1063377), (99, 827071), (147, 557007), (231, 354459), (441, 185669), (539, 151911), (693, 118153), (1617, 50637), (4851, 16879)]