2819481

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:173

約数の個数: 32

約数和(自身を含む): 4571136

約数和(自身を除く): 1751655

約数列:

[1, 3, 7, 21, 31, 61, 71, 93, 183, 213, 217, 427, 497, 651, 1281, 1491, 1891, 2201, 4331, 5673, 6603, 12993, 13237, 15407, 30317, 39711, 46221, 90951, 134261, 402783, 939827, 2819481]

約数ペア:

[(1, 2819481), (3, 939827), (7, 402783), (21, 134261), (31, 90951), (61, 46221), (71, 39711), (93, 30317), (183, 15407), (213, 13237), (217, 12993), (427, 6603), (497, 5673), (651, 4331), (1281, 2201), (1491, 1891)]