2002121181

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{10831}}^1$

素因数の和:10926

約数の個数: 48

約数和(自身を含む): 3244400640

約数和(自身を除く): 1242279459

約数列:

[1, 3, 9, 19, 23, 47, 57, 69, 141, 171, 207, 423, 437, 893, 1081, 1311, 2679, 3243, 3933, 8037, 9729, 10831, 20539, 32493, 61617, 97479, 184851, 205789, 249113, 509057, 617367, 747339, 1527171, 1852101, 2242017, 4581513, 4733147, 9672083, 11708311, 14199441, 29016249, 35124933, 42598323, 87048747, 105374799, 222457909, 667373727, 2002121181]

約数ペア:

[(1, 2002121181), (3, 667373727), (9, 222457909), (19, 105374799), (23, 87048747), (47, 42598323), (57, 35124933), (69, 29016249), (141, 14199441), (171, 11708311), (207, 9672083), (423, 4733147), (437, 4581513), (893, 2242017), (1081, 1852101), (1311, 1527171), (2679, 747339), (3243, 617367), (3933, 509057), (8037, 249113), (9729, 205789), (10831, 184851), (20539, 97479), (32493, 61617)]