42991605

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{20327}}^1$

素因数の和:20385

約数の個数: 24

約数和(自身を含む): 76108032

約数和(自身を除く): 33116427

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 20327, 60981, 101635, 182943, 304905, 914715, 955369, 2866107, 4776845, 8598321, 14330535, 42991605]

約数ペア:

[(1, 42991605), (3, 14330535), (5, 8598321), (9, 4776845), (15, 2866107), (45, 955369), (47, 914715), (141, 304905), (235, 182943), (423, 101635), (705, 60981), (2115, 20327)]