1815194619

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1\times {\mathrm{2161}}^1$

素因数の和:2440

約数の個数: 48

約数和(自身を含む): 3057932800

約数和(自身を除く): 1242738181

約数列:

[1, 3, 7, 9, 21, 63, 67, 199, 201, 469, 597, 603, 1393, 1407, 1791, 2161, 4179, 4221, 6483, 12537, 13333, 15127, 19449, 39999, 45381, 93331, 119997, 136143, 144787, 279993, 430039, 434361, 839979, 1013509, 1290117, 1303083, 3010273, 3040527, 3870351, 9030819, 9121581, 27092457, 28812613, 86437839, 201688291, 259313517, 605064873, 1815194619]

約数ペア:

[(1, 1815194619), (3, 605064873), (7, 259313517), (9, 201688291), (21, 86437839), (63, 28812613), (67, 27092457), (199, 9121581), (201, 9030819), (469, 3870351), (597, 3040527), (603, 3010273), (1393, 1303083), (1407, 1290117), (1791, 1013509), (2161, 839979), (4179, 434361), (4221, 430039), (6483, 279993), (12537, 144787), (13333, 136143), (15127, 119997), (19449, 93331), (39999, 45381)]