28216479

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{2389}}^1$

素因数の和:2550

約数の個数: 16

約数和(自身を含む): 39157760

約数和(自身を除く): 10941281

約数列:

[1, 3, 31, 93, 127, 381, 2389, 3937, 7167, 11811, 74059, 222177, 303403, 910209, 9405493, 28216479]

約数ペア:

[(1, 28216479), (3, 9405493), (31, 910209), (93, 303403), (127, 222177), (381, 74059), (2389, 11811), (3937, 7167)]