2806784883

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1\times {\mathrm{1627}}^1$

素因数の和:1976

約数の個数: 48

約数和(自身を含む): 4693328640

約数和(自身を除く): 1886543757

約数列:

[1, 3, 7, 9, 21, 63, 139, 197, 417, 591, 973, 1251, 1379, 1627, 1773, 2919, 4137, 4881, 8757, 11389, 12411, 14643, 27383, 34167, 82149, 102501, 191681, 226153, 246447, 320519, 575043, 678459, 961557, 1583071, 1725129, 2035377, 2243633, 2884671, 4749213, 6730899, 14247639, 20192697, 44552141, 133656423, 311864987, 400969269, 935594961, 2806784883]

約数ペア:

[(1, 2806784883), (3, 935594961), (7, 400969269), (9, 311864987), (21, 133656423), (63, 44552141), (139, 20192697), (197, 14247639), (417, 6730899), (591, 4749213), (973, 2884671), (1251, 2243633), (1379, 2035377), (1627, 1725129), (1773, 1583071), (2919, 961557), (4137, 678459), (4881, 575043), (8757, 320519), (11389, 246447), (12411, 226153), (14643, 191681), (27383, 102501), (34167, 82149)]