201698847

素因数分解:

$3^2\times 7^2\times {\mathrm{457367}}^1$

素因数の和:457387

約数の個数: 18

約数和(自身を含む): 338909688

約数和(自身を除く): 137210841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 457367, 1372101, 3201569, 4116303, 9604707, 22410983, 28814121, 67232949, 201698847]

約数ペア:

[(1, 201698847), (3, 67232949), (7, 28814121), (9, 22410983), (21, 9604707), (49, 4116303), (63, 3201569), (147, 1372101), (441, 457367)]