30072231

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 55189680

約数和(自身を除く): 25117449

約数列:

[1, 3, 7, 9, 19, 21, 37, 49, 57, 63, 97, 111, 133, 147, 171, 259, 291, 333, 399, 441, 679, 703, 777, 873, 931, 1197, 1813, 1843, 2037, 2109, 2331, 2793, 3589, 4753, 4921, 5439, 5529, 6111, 6327, 8379, 10767, 12901, 14259, 14763, 16317, 16587, 25123, 32301, 34447, 38703, 42777, 44289, 68191, 75369, 90307, 103341, 116109, 175861, 204573, 226107, 270921, 310023, 477337, 527583, 613719, 812763, 1432011, 1582749, 3341359, 4296033, 10024077, 30072231]

約数ペア:

[(1, 30072231), (3, 10024077), (7, 4296033), (9, 3341359), (19, 1582749), (21, 1432011), (37, 812763), (49, 613719), (57, 527583), (63, 477337), (97, 310023), (111, 270921), (133, 226107), (147, 204573), (171, 175861), (259, 116109), (291, 103341), (333, 90307), (399, 75369), (441, 68191), (679, 44289), (703, 42777), (777, 38703), (873, 34447), (931, 32301), (1197, 25123), (1813, 16587), (1843, 16317), (2037, 14763), (2109, 14259), (2331, 12901), (2793, 10767), (3589, 8379), (4753, 6327), (4921, 6111), (5439, 5529)]