159678891

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:576

約数の個数: 32

約数和(自身を含む): 240665600

約数和(自身を除く): 80986709

約数列:

[1, 3, 9, 27, 139, 157, 271, 417, 471, 813, 1251, 1413, 2439, 3753, 4239, 7317, 21823, 37669, 42547, 65469, 113007, 127641, 196407, 339021, 382923, 589221, 1017063, 1148769, 5914033, 17742099, 53226297, 159678891]

約数ペア:

[(1, 159678891), (3, 53226297), (9, 17742099), (27, 5914033), (139, 1148769), (157, 1017063), (271, 589221), (417, 382923), (471, 339021), (813, 196407), (1251, 127641), (1413, 113007), (2439, 65469), (3753, 42547), (4239, 37669), (7317, 21823)]