42990003

素因数分解:

$3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1373}}^1$

素因数の和:1464

約数の個数: 36

約数和(自身を含む): 73305648

約数和(自身を除く): 30315645

約数列:

[1, 3, 7, 9, 21, 49, 63, 71, 147, 213, 441, 497, 639, 1373, 1491, 3479, 4119, 4473, 9611, 10437, 12357, 28833, 31311, 67277, 86499, 97483, 201831, 292449, 605493, 682381, 877347, 2047143, 4776667, 6141429, 14330001, 42990003]

約数ペア:

[(1, 42990003), (3, 14330001), (7, 6141429), (9, 4776667), (21, 2047143), (49, 877347), (63, 682381), (71, 605493), (147, 292449), (213, 201831), (441, 97483), (497, 86499), (639, 67277), (1373, 31311), (1491, 28833), (3479, 12357), (4119, 10437), (4473, 9611)]