15661780839

素因数分解:

$3^5\times {\mathrm{23}}^2\times {\mathrm{73}}^1\times {\mathrm{1669}}^1$

素因数の和:1803

約数の個数: 72

約数和(自身を含む): 24875665360

約数和(自身を除く): 9213884521

約数列:

[1, 3, 9, 23, 27, 69, 73, 81, 207, 219, 243, 529, 621, 657, 1587, 1669, 1679, 1863, 1971, 4761, 5007, 5037, 5589, 5913, 14283, 15021, 15111, 17739, 38387, 38617, 42849, 45063, 45333, 115161, 115851, 121837, 128547, 135189, 135999, 345483, 347553, 365511, 405567, 407997, 882901, 1036449, 1042659, 1096533, 2648703, 2802251, 3109347, 3127977, 3289599, 7946109, 8406753, 9328041, 9383931, 9868797, 23838327, 25220259, 29606391, 64451773, 71514981, 75660777, 193355319, 214544943, 226982331, 580065957, 680946993, 1740197871, 5220593613, 15661780839]

約数ペア:

[(1, 15661780839), (3, 5220593613), (9, 1740197871), (23, 680946993), (27, 580065957), (69, 226982331), (73, 214544943), (81, 193355319), (207, 75660777), (219, 71514981), (243, 64451773), (529, 29606391), (621, 25220259), (657, 23838327), (1587, 9868797), (1669, 9383931), (1679, 9328041), (1863, 8406753), (1971, 7946109), (4761, 3289599), (5007, 3127977), (5037, 3109347), (5589, 2802251), (5913, 2648703), (14283, 1096533), (15021, 1042659), (15111, 1036449), (17739, 882901), (38387, 407997), (38617, 405567), (42849, 365511), (45063, 347553), (45333, 345483), (115161, 135999), (115851, 135189), (121837, 128547)]