28725183

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{919}}^1$

素因数の和:1099

約数の個数: 24

約数和(自身を含む): 43630080

約数和(自身を除く): 14904897

約数列:

[1, 3, 9, 23, 69, 151, 207, 453, 919, 1359, 2757, 3473, 8271, 10419, 21137, 31257, 63411, 138769, 190233, 416307, 1248921, 3191687, 9575061, 28725183]

約数ペア:

[(1, 28725183), (3, 9575061), (9, 3191687), (23, 1248921), (69, 416307), (151, 190233), (207, 138769), (453, 63411), (919, 31257), (1359, 21137), (2757, 10419), (3473, 8271)]