2491446789

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1\times {\mathrm{431}}^1$

素因数の和:879

約数の個数: 64

約数和(自身を含む): 4087480320

約数和(自身を除く): 1596033531

約数列:

[1, 3, 9, 13, 27, 39, 43, 117, 129, 351, 383, 387, 431, 559, 1149, 1161, 1293, 1677, 3447, 3879, 4979, 5031, 5603, 10341, 11637, 14937, 15093, 16469, 16809, 18533, 44811, 49407, 50427, 55599, 134433, 148221, 151281, 165073, 166797, 214097, 240929, 444663, 495219, 500391, 642291, 722787, 1485657, 1926873, 2145949, 2168361, 4456971, 5780619, 6437847, 6505083, 7098139, 19313541, 21294417, 57940623, 63883251, 92275807, 191649753, 276827421, 830482263, 2491446789]

約数ペア:

[(1, 2491446789), (3, 830482263), (9, 276827421), (13, 191649753), (27, 92275807), (39, 63883251), (43, 57940623), (117, 21294417), (129, 19313541), (351, 7098139), (383, 6505083), (387, 6437847), (431, 5780619), (559, 4456971), (1149, 2168361), (1161, 2145949), (1293, 1926873), (1677, 1485657), (3447, 722787), (3879, 642291), (4979, 500391), (5031, 495219), (5603, 444663), (10341, 240929), (11637, 214097), (14937, 166797), (15093, 165073), (16469, 151281), (16809, 148221), (18533, 134433), (44811, 55599), (49407, 50427)]