2040479991

素因数分解:

$3^5\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{2393}}^1$

素因数の和:2459

約数の個数: 72

約数和(自身を含む): 3476949840

約数和(自身を除く): 1436469849

約数列:

[1, 3, 9, 11, 27, 29, 33, 81, 87, 99, 121, 243, 261, 297, 319, 363, 783, 891, 957, 1089, 2349, 2393, 2673, 2871, 3267, 3509, 7047, 7179, 8613, 9801, 10527, 21537, 25839, 26323, 29403, 31581, 64611, 69397, 77517, 78969, 94743, 193833, 208191, 236907, 284229, 289553, 581499, 624573, 710721, 763367, 852687, 868659, 1873719, 2132163, 2290101, 2605977, 5621157, 6396489, 6870303, 7817931, 8397037, 16863471, 20610909, 23453793, 25191111, 61832727, 70361379, 75573333, 185498181, 226719999, 680159997, 2040479991]

約数ペア:

[(1, 2040479991), (3, 680159997), (9, 226719999), (11, 185498181), (27, 75573333), (29, 70361379), (33, 61832727), (81, 25191111), (87, 23453793), (99, 20610909), (121, 16863471), (243, 8397037), (261, 7817931), (297, 6870303), (319, 6396489), (363, 5621157), (783, 2605977), (891, 2290101), (957, 2132163), (1089, 1873719), (2349, 868659), (2393, 852687), (2673, 763367), (2871, 710721), (3267, 624573), (3509, 581499), (7047, 289553), (7179, 284229), (8613, 236907), (9801, 208191), (10527, 193833), (21537, 94743), (25839, 78969), (26323, 77517), (29403, 69397), (31581, 64611)]