7922691

素因数分解:

$3^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:265

約数の個数: 40

約数和(自身を含む): 13764960

約数和(自身を除く): 5842269

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 89, 157, 189, 267, 471, 567, 623, 801, 1099, 1413, 1869, 2403, 3297, 4239, 5607, 7209, 9891, 12717, 13973, 16821, 29673, 41919, 50463, 89019, 97811, 125757, 293433, 377271, 880299, 1131813, 2640897, 7922691]

約数ペア:

[(1, 7922691), (3, 2640897), (7, 1131813), (9, 880299), (21, 377271), (27, 293433), (63, 125757), (81, 97811), (89, 89019), (157, 50463), (189, 41919), (267, 29673), (471, 16821), (567, 13973), (623, 12717), (801, 9891), (1099, 7209), (1413, 5607), (1869, 4239), (2403, 3297)]