205628499

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 317551104

約数和(自身を除く): 111922605

約数列:

[1, 3, 9, 37, 53, 61, 111, 159, 183, 191, 333, 477, 549, 573, 1719, 1961, 2257, 3233, 5883, 6771, 7067, 9699, 10123, 11651, 17649, 20313, 21201, 29097, 30369, 34953, 63603, 91107, 104859, 119621, 358863, 374551, 431087, 617503, 1076589, 1123653, 1293261, 1852509, 3370959, 3879783, 5557527, 22847611, 68542833, 205628499]

約数ペア:

[(1, 205628499), (3, 68542833), (9, 22847611), (37, 5557527), (53, 3879783), (61, 3370959), (111, 1852509), (159, 1293261), (183, 1123653), (191, 1076589), (333, 617503), (477, 431087), (549, 374551), (573, 358863), (1719, 119621), (1961, 104859), (2257, 91107), (3233, 63603), (5883, 34953), (6771, 30369), (7067, 29097), (9699, 21201), (10123, 20313), (11651, 17649)]