210820197

素因数分解:

$3^1\times 7^2\times {\mathrm{347}}^1\times {\mathrm{4133}}^1$

素因数の和:4497

約数の個数: 24

約数和(自身を含む): 328008096

約数和(自身を除く): 117187899

約数列:

[1, 3, 7, 21, 49, 147, 347, 1041, 2429, 4133, 7287, 12399, 17003, 28931, 51009, 86793, 202517, 607551, 1434151, 4302453, 10039057, 30117171, 70273399, 210820197]

約数ペア:

[(1, 210820197), (3, 70273399), (7, 30117171), (21, 10039057), (49, 4302453), (147, 1434151), (347, 607551), (1041, 202517), (2429, 86793), (4133, 51009), (7287, 28931), (12399, 17003)]