128862009

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:172

約数の個数: 80

約数和(自身を含む): 217761280

約数和(自身を除く): 88899271

約数列:

[1, 3, 9, 19, 27, 31, 37, 57, 73, 81, 93, 111, 171, 219, 279, 333, 513, 589, 657, 703, 837, 999, 1147, 1387, 1539, 1767, 1971, 2109, 2263, 2511, 2701, 2997, 3441, 4161, 5301, 5913, 6327, 6789, 8103, 10323, 12483, 15903, 18981, 20367, 21793, 24309, 30969, 37449, 42997, 47709, 51319, 56943, 61101, 65379, 72927, 83731, 92907, 112347, 128991, 153957, 183303, 196137, 218781, 251193, 386973, 461871, 588411, 753579, 1160919, 1385613, 1590889, 1765233, 2260737, 3482757, 4156839, 4772667, 6782211, 14318001, 42954003, 128862009]

約数ペア:

[(1, 128862009), (3, 42954003), (9, 14318001), (19, 6782211), (27, 4772667), (31, 4156839), (37, 3482757), (57, 2260737), (73, 1765233), (81, 1590889), (93, 1385613), (111, 1160919), (171, 753579), (219, 588411), (279, 461871), (333, 386973), (513, 251193), (589, 218781), (657, 196137), (703, 183303), (837, 153957), (999, 128991), (1147, 112347), (1387, 92907), (1539, 83731), (1767, 72927), (1971, 65379), (2109, 61101), (2263, 56943), (2511, 51319), (2701, 47709), (2997, 42997), (3441, 37449), (4161, 30969), (5301, 24309), (5913, 21793), (6327, 20367), (6789, 18981), (8103, 15903), (10323, 12483)]