15421329

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{17}}^2$

素因数の和:76

約数の個数: 81

約数和(自身を含む): 30255771

約数和(自身を除く): 14834442

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 49, 51, 63, 77, 99, 119, 121, 147, 153, 187, 231, 289, 357, 363, 441, 539, 561, 693, 833, 847, 867, 1071, 1089, 1309, 1617, 1683, 2023, 2057, 2499, 2541, 2601, 3179, 3927, 4851, 5929, 6069, 6171, 7497, 7623, 9163, 9537, 11781, 14161, 14399, 17787, 18207, 18513, 22253, 27489, 28611, 34969, 42483, 43197, 53361, 66759, 82467, 100793, 104907, 127449, 129591, 155771, 200277, 244783, 302379, 314721, 467313, 734349, 907137, 1401939, 1713481, 2203047, 5140443, 15421329]

約数ペア:

[(1, 15421329), (3, 5140443), (7, 2203047), (9, 1713481), (11, 1401939), (17, 907137), (21, 734349), (33, 467313), (49, 314721), (51, 302379), (63, 244783), (77, 200277), (99, 155771), (119, 129591), (121, 127449), (147, 104907), (153, 100793), (187, 82467), (231, 66759), (289, 53361), (357, 43197), (363, 42483), (441, 34969), (539, 28611), (561, 27489), (693, 22253), (833, 18513), (847, 18207), (867, 17787), (1071, 14399), (1089, 14161), (1309, 11781), (1617, 9537), (1683, 9163), (2023, 7623), (2057, 7497), (2499, 6171), (2541, 6069), (2601, 5929), (3179, 4851)]