1999347

素因数分解:

$3^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:120

約数の個数: 32

約数和(自身を含む): 3264000

約数和(自身を除く): 1264653

約数列:

[1, 3, 7, 21, 29, 49, 67, 87, 147, 201, 203, 343, 469, 609, 1029, 1407, 1421, 1943, 3283, 4263, 5829, 9849, 9947, 13601, 22981, 29841, 40803, 68943, 95207, 285621, 666449, 1999347]

約数ペア:

[(1, 1999347), (3, 666449), (7, 285621), (21, 95207), (29, 68943), (49, 40803), (67, 29841), (87, 22981), (147, 13601), (201, 9947), (203, 9849), (343, 5829), (469, 4263), (609, 3283), (1029, 1943), (1407, 1421)]