7865019

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{1091}}^1$

素因数の和:1192

約数の個数: 20

約数和(自身を含む): 11891880

約数和(自身を除く): 4026861

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 1091, 2403, 3273, 7209, 9819, 29457, 88371, 97099, 291297, 873891, 2621673, 7865019]

約数ペア:

[(1, 7865019), (3, 2621673), (9, 873891), (27, 291297), (81, 97099), (89, 88371), (267, 29457), (801, 9819), (1091, 7209), (2403, 3273)]