25408161

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{4297}}^1$

素因数の和:4382

約数の個数: 20

約数和(自身を含む): 38484292

約数和(自身を除く): 13076131

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 4297, 5913, 12891, 38673, 116019, 313681, 348057, 941043, 2823129, 8469387, 25408161]

約数ペア:

[(1, 25408161), (3, 8469387), (9, 2823129), (27, 941043), (73, 348057), (81, 313681), (219, 116019), (657, 38673), (1971, 12891), (4297, 5913)]