2205890235

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{61}}^1\times {\mathrm{587}}^1$

素因数の和:733

約数の個数: 72

約数和(自身を含む): 4000900176

約数和(自身を除く): 1795009941

約数列:

[1, 3, 5, 9, 15, 37, 45, 61, 111, 183, 185, 305, 333, 549, 555, 587, 915, 1369, 1665, 1761, 2257, 2745, 2935, 4107, 5283, 6771, 6845, 8805, 11285, 12321, 20313, 20535, 21719, 26415, 33855, 35807, 61605, 65157, 83509, 101565, 107421, 108595, 179035, 195471, 250527, 322263, 325785, 417545, 537105, 751581, 803603, 977355, 1252635, 1324859, 1611315, 2410809, 3757905, 3974577, 4018015, 6624295, 7232427, 11923731, 12054045, 19872885, 36162135, 49019783, 59618655, 147059349, 245098915, 441178047, 735296745, 2205890235]

約数ペア:

[(1, 2205890235), (3, 735296745), (5, 441178047), (9, 245098915), (15, 147059349), (37, 59618655), (45, 49019783), (61, 36162135), (111, 19872885), (183, 12054045), (185, 11923731), (305, 7232427), (333, 6624295), (549, 4018015), (555, 3974577), (587, 3757905), (915, 2410809), (1369, 1611315), (1665, 1324859), (1761, 1252635), (2257, 977355), (2745, 803603), (2935, 751581), (4107, 537105), (5283, 417545), (6771, 325785), (6845, 322263), (8805, 250527), (11285, 195471), (12321, 179035), (20313, 108595), (20535, 107421), (21719, 101565), (26415, 83509), (33855, 65157), (35807, 61605)]