28158681

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 41817600

約数和(自身を除く): 13658919

約数列:

[1, 3, 17, 29, 51, 79, 87, 237, 241, 493, 723, 1343, 1479, 2291, 4029, 4097, 6873, 6989, 12291, 19039, 20967, 38947, 57117, 116841, 118813, 323663, 356439, 552131, 970989, 1656393, 9386227, 28158681]

約数ペア:

[(1, 28158681), (3, 9386227), (17, 1656393), (29, 970989), (51, 552131), (79, 356439), (87, 323663), (237, 118813), (241, 116841), (493, 57117), (723, 38947), (1343, 20967), (1479, 19039), (2291, 12291), (4029, 6989), (4097, 6873)]