206908911

素因数分解:

$3^5\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:295

約数の個数: 72

約数和(自身を含む): 353213952

約数和(自身を除く): 146305041

約数列:

[1, 3, 9, 11, 27, 31, 33, 81, 93, 99, 121, 227, 243, 279, 297, 341, 363, 681, 837, 891, 1023, 1089, 2043, 2497, 2511, 2673, 3069, 3267, 3751, 6129, 7037, 7491, 7533, 9207, 9801, 11253, 18387, 21111, 22473, 27467, 27621, 29403, 33759, 55161, 63333, 67419, 77407, 82401, 82863, 101277, 189999, 202257, 232221, 247203, 303831, 569997, 606771, 696663, 741609, 851477, 911493, 1709991, 2089989, 2224827, 2554431, 6269967, 6674481, 7663293, 18809901, 22989879, 68969637, 206908911]

約数ペア:

[(1, 206908911), (3, 68969637), (9, 22989879), (11, 18809901), (27, 7663293), (31, 6674481), (33, 6269967), (81, 2554431), (93, 2224827), (99, 2089989), (121, 1709991), (227, 911493), (243, 851477), (279, 741609), (297, 696663), (341, 606771), (363, 569997), (681, 303831), (837, 247203), (891, 232221), (1023, 202257), (1089, 189999), (2043, 101277), (2497, 82863), (2511, 82401), (2673, 77407), (3069, 67419), (3267, 63333), (3751, 55161), (6129, 33759), (7037, 29403), (7491, 27621), (7533, 27467), (9207, 22473), (9801, 21111), (11253, 18387)]