1625013

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:98

約数の個数: 48

約数和(自身を含む): 2882880

約数和(自身を除く): 1257867

約数列:

[1, 3, 9, 13, 17, 19, 39, 43, 51, 57, 117, 129, 153, 171, 221, 247, 323, 387, 559, 663, 731, 741, 817, 969, 1677, 1989, 2193, 2223, 2451, 2907, 4199, 5031, 6579, 7353, 9503, 10621, 12597, 13889, 28509, 31863, 37791, 41667, 85527, 95589, 125001, 180557, 541671, 1625013]

約数ペア:

[(1, 1625013), (3, 541671), (9, 180557), (13, 125001), (17, 95589), (19, 85527), (39, 41667), (43, 37791), (51, 31863), (57, 28509), (117, 13889), (129, 12597), (153, 10621), (171, 9503), (221, 7353), (247, 6579), (323, 5031), (387, 4199), (559, 2907), (663, 2451), (731, 2223), (741, 2193), (817, 1989), (969, 1677)]