2615571

素因数分解:

$3^4\times 7^2\times {\mathrm{659}}^1$

素因数の和:685

約数の個数: 30

約数和(自身を含む): 4552020

約数和(自身を除く): 1936449

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 659, 1323, 1977, 3969, 4613, 5931, 13839, 17793, 32291, 41517, 53379, 96873, 124551, 290619, 373653, 871857, 2615571]

約数ペア:

[(1, 2615571), (3, 871857), (7, 373653), (9, 290619), (21, 124551), (27, 96873), (49, 53379), (63, 41517), (81, 32291), (147, 17793), (189, 13839), (441, 5931), (567, 4613), (659, 3969), (1323, 1977)]