2018487897

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:691

約数の個数: 64

約数和(自身を含む): 3175096320

約数和(自身を除く): 1156608423

約数列:

[1, 3, 9, 27, 43, 47, 71, 129, 141, 213, 387, 423, 521, 639, 1161, 1269, 1563, 1917, 2021, 3053, 3337, 4689, 6063, 9159, 10011, 14067, 18189, 22403, 24487, 27477, 30033, 36991, 54567, 67209, 73461, 82431, 90099, 110973, 143491, 201627, 220383, 332919, 430473, 604881, 661149, 998757, 1052941, 1291419, 1590613, 1738577, 3158823, 3874257, 4771839, 5215731, 9476469, 14315517, 15647193, 28429407, 42946551, 46941579, 74758811, 224276433, 672829299, 2018487897]

約数ペア:

[(1, 2018487897), (3, 672829299), (9, 224276433), (27, 74758811), (43, 46941579), (47, 42946551), (71, 28429407), (129, 15647193), (141, 14315517), (213, 9476469), (387, 5215731), (423, 4771839), (521, 3874257), (639, 3158823), (1161, 1738577), (1269, 1590613), (1563, 1291419), (1917, 1052941), (2021, 998757), (3053, 661149), (3337, 604881), (4689, 430473), (6063, 332919), (9159, 220383), (10011, 201627), (14067, 143491), (18189, 110973), (22403, 90099), (24487, 82431), (27477, 73461), (30033, 67209), (36991, 54567)]