28867785

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1433}}^1$

素因数の和:1537

約数の個数: 32

約数和(自身を含む): 49559040

約数和(自身を除く): 20691255

約数列:

[1, 3, 5, 15, 17, 51, 79, 85, 237, 255, 395, 1185, 1343, 1433, 4029, 4299, 6715, 7165, 20145, 21495, 24361, 73083, 113207, 121805, 339621, 365415, 566035, 1698105, 1924519, 5773557, 9622595, 28867785]

約数ペア:

[(1, 28867785), (3, 9622595), (5, 5773557), (15, 1924519), (17, 1698105), (51, 566035), (79, 365415), (85, 339621), (237, 121805), (255, 113207), (395, 73083), (1185, 24361), (1343, 21495), (1433, 20145), (4029, 7165), (4299, 6715)]