561915819

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{431}}^1\times {\mathrm{443}}^1$

素因数の和:992

約数の個数: 32

約数和(自身を含む): 843955200

約数和(自身を除く): 282039381

約数列:

[1, 3, 9, 27, 109, 327, 431, 443, 981, 1293, 1329, 2943, 3879, 3987, 11637, 11961, 46979, 48287, 140937, 144861, 190933, 422811, 434583, 572799, 1268433, 1303749, 1718397, 5155191, 20811697, 62435091, 187305273, 561915819]

約数ペア:

[(1, 561915819), (3, 187305273), (9, 62435091), (27, 20811697), (109, 5155191), (327, 1718397), (431, 1303749), (443, 1268433), (981, 572799), (1293, 434583), (1329, 422811), (2943, 190933), (3879, 144861), (3987, 140937), (11637, 48287), (11961, 46979)]