2640897

素因数分解:

$3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:262

約数の個数: 32

約数和(自身を含む): 4550400

約数和(自身を除く): 1909503

約数列:

[1, 3, 7, 9, 21, 27, 63, 89, 157, 189, 267, 471, 623, 801, 1099, 1413, 1869, 2403, 3297, 4239, 5607, 9891, 13973, 16821, 29673, 41919, 97811, 125757, 293433, 377271, 880299, 2640897]

約数ペア:

[(1, 2640897), (3, 880299), (7, 377271), (9, 293433), (21, 125757), (27, 97811), (63, 41919), (89, 29673), (157, 16821), (189, 13973), (267, 9891), (471, 5607), (623, 4239), (801, 3297), (1099, 2403), (1413, 1869)]