40478211

素因数分解:

$3^5\times {\mathrm{157}}^1\times {\mathrm{1061}}^1$

素因数の和:1233

約数の個数: 24

約数和(自身を含む): 61077744

約数和(自身を除く): 20599533

約数列:

[1, 3, 9, 27, 81, 157, 243, 471, 1061, 1413, 3183, 4239, 9549, 12717, 28647, 38151, 85941, 166577, 257823, 499731, 1499193, 4497579, 13492737, 40478211]

約数ペア:

[(1, 40478211), (3, 13492737), (9, 4497579), (27, 1499193), (81, 499731), (157, 257823), (243, 166577), (471, 85941), (1061, 38151), (1413, 28647), (3183, 12717), (4239, 9549)]