28241913

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{331}}^1$

素因数の和:597

約数の個数: 32

約数和(自身を含む): 45895680

約数和(自身を除く): 17653767

約数列:

[1, 3, 7, 17, 21, 51, 119, 239, 331, 357, 717, 993, 1673, 2317, 4063, 5019, 5627, 6951, 12189, 16881, 28441, 39389, 79109, 85323, 118167, 237327, 553763, 1344853, 1661289, 4034559, 9413971, 28241913]

約数ペア:

[(1, 28241913), (3, 9413971), (7, 4034559), (17, 1661289), (21, 1344853), (51, 553763), (119, 237327), (239, 118167), (331, 85323), (357, 79109), (717, 39389), (993, 28441), (1673, 16881), (2317, 12189), (4063, 6951), (5019, 5627)]