90497589

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 159129600

約数和(自身を除く): 68632011

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 73, 91, 133, 219, 239, 247, 273, 399, 511, 717, 741, 949, 1387, 1533, 1673, 1729, 2847, 3107, 4161, 4541, 5019, 5187, 6643, 9321, 9709, 13623, 17447, 18031, 19929, 21749, 29127, 31787, 52341, 54093, 59033, 65247, 95361, 122129, 126217, 177099, 226811, 331493, 366387, 378651, 413231, 680433, 994479, 1239693, 1587677, 2320451, 4309409, 4763031, 6961353, 12928227, 30165863, 90497589]

約数ペア:

[(1, 90497589), (3, 30165863), (7, 12928227), (13, 6961353), (19, 4763031), (21, 4309409), (39, 2320451), (57, 1587677), (73, 1239693), (91, 994479), (133, 680433), (219, 413231), (239, 378651), (247, 366387), (273, 331493), (399, 226811), (511, 177099), (717, 126217), (741, 122129), (949, 95361), (1387, 65247), (1533, 59033), (1673, 54093), (1729, 52341), (2847, 31787), (3107, 29127), (4161, 21749), (4541, 19929), (5019, 18031), (5187, 17447), (6643, 13623), (9321, 9709)]