871857

素因数分解:

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

素因数の和:682

約数の個数: 24

約数和(自身を含む): 1504800

約数和(自身を除く): 632943

約数列:

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

約数ペア:

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