261263387913

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1221959}}^1$

素因数の和:1222034

約数の個数: 48

約数和(自身を含む): 416052940800

約数和(自身を除く): 154789552887

約数列:

[1, 3, 11, 19, 31, 33, 57, 93, 121, 209, 341, 363, 589, 627, 1023, 1767, 2299, 3751, 6479, 6897, 11253, 19437, 71269, 213807, 1221959, 3665877, 13441549, 23217221, 37880729, 40324647, 69651663, 113642187, 147857039, 255389431, 416688019, 443571117, 719733851, 766168293, 1250064057, 2159201553, 2809283741, 4583568209, 7917072361, 8427851223, 13750704627, 23751217083, 87087795971, 261263387913]

約数ペア:

[(1, 261263387913), (3, 87087795971), (11, 23751217083), (19, 13750704627), (31, 8427851223), (33, 7917072361), (57, 4583568209), (93, 2809283741), (121, 2159201553), (209, 1250064057), (341, 766168293), (363, 719733851), (589, 443571117), (627, 416688019), (1023, 255389431), (1767, 147857039), (2299, 113642187), (3751, 69651663), (6479, 40324647), (6897, 37880729), (11253, 23217221), (19437, 13441549), (71269, 3665877), (213807, 1221959)]