128576871

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 199480320

約数和(自身を除く): 70903449

約数列:

[1, 3, 9, 31, 59, 73, 93, 107, 177, 219, 279, 321, 531, 657, 963, 1829, 2263, 3317, 4307, 5487, 6313, 6789, 7811, 9951, 12921, 16461, 18939, 20367, 23433, 29853, 38763, 56817, 70299, 133517, 195703, 242141, 400551, 460849, 587109, 726423, 1201653, 1382547, 1761327, 2179269, 4147641, 14286319, 42858957, 128576871]

約数ペア:

[(1, 128576871), (3, 42858957), (9, 14286319), (31, 4147641), (59, 2179269), (73, 1761327), (93, 1382547), (107, 1201653), (177, 726423), (219, 587109), (279, 460849), (321, 400551), (531, 242141), (657, 195703), (963, 133517), (1829, 70299), (2263, 56817), (3317, 38763), (4307, 29853), (5487, 23433), (6313, 20367), (6789, 18939), (7811, 16461), (9951, 12921)]