2195777727

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1163}}^1$

素因数の和:1362

約数の個数: 80

約数和(自身を含む): 3880533888

約数和(自身を除く): 1684756161

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 81, 99, 117, 143, 163, 297, 351, 429, 489, 891, 1053, 1163, 1287, 1467, 1793, 2119, 3489, 3861, 4401, 5379, 6357, 10467, 11583, 12793, 13203, 15119, 16137, 19071, 23309, 31401, 38379, 45357, 48411, 57213, 69927, 94203, 115137, 136071, 145233, 166309, 171639, 189569, 209781, 345411, 408213, 498927, 568707, 629343, 1036233, 1224639, 1496781, 1706121, 1888029, 2085259, 2464397, 4490343, 5118363, 6255777, 7393191, 13471029, 15355089, 18767331, 22179573, 27108367, 56301993, 66538719, 81325101, 168905979, 199616157, 243975303, 731925909, 2195777727]

約数ペア:

[(1, 2195777727), (3, 731925909), (9, 243975303), (11, 199616157), (13, 168905979), (27, 81325101), (33, 66538719), (39, 56301993), (81, 27108367), (99, 22179573), (117, 18767331), (143, 15355089), (163, 13471029), (297, 7393191), (351, 6255777), (429, 5118363), (489, 4490343), (891, 2464397), (1053, 2085259), (1163, 1888029), (1287, 1706121), (1467, 1496781), (1793, 1224639), (2119, 1036233), (3489, 629343), (3861, 568707), (4401, 498927), (5379, 408213), (6357, 345411), (10467, 209781), (11583, 189569), (12793, 171639), (13203, 166309), (15119, 145233), (16137, 136071), (19071, 115137), (23309, 94203), (31401, 69927), (38379, 57213), (45357, 48411)]