26181309

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 47278080

約数和(自身を除く): 21096771

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 59, 77, 113, 119, 177, 187, 231, 339, 357, 413, 561, 649, 791, 1003, 1239, 1243, 1309, 1921, 1947, 2373, 3009, 3729, 3927, 4543, 5763, 6667, 7021, 8701, 11033, 13447, 13629, 20001, 21063, 21131, 26103, 33099, 40341, 46669, 63393, 73337, 77231, 113339, 140007, 147917, 220011, 231693, 340017, 443751, 513359, 793373, 1246729, 1540077, 2380119, 3740187, 8727103, 26181309]

約数ペア:

[(1, 26181309), (3, 8727103), (7, 3740187), (11, 2380119), (17, 1540077), (21, 1246729), (33, 793373), (51, 513359), (59, 443751), (77, 340017), (113, 231693), (119, 220011), (177, 147917), (187, 140007), (231, 113339), (339, 77231), (357, 73337), (413, 63393), (561, 46669), (649, 40341), (791, 33099), (1003, 26103), (1239, 21131), (1243, 21063), (1309, 20001), (1921, 13629), (1947, 13447), (2373, 11033), (3009, 8701), (3729, 7021), (3927, 6667), (4543, 5763)]