210536487

素因数分解:

$3^2\times 7^4\times {\mathrm{9743}}^1$

素因数の和:9777

約数の個数: 30

約数和(自身を含む): 354808272

約数和(自身を除く): 144271785

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 2401, 3087, 7203, 9743, 21609, 29229, 68201, 87687, 204603, 477407, 613809, 1432221, 3341849, 4296663, 10025547, 23392943, 30076641, 70178829, 210536487]

約数ペア:

[(1, 210536487), (3, 70178829), (7, 30076641), (9, 23392943), (21, 10025547), (49, 4296663), (63, 3341849), (147, 1432221), (343, 613809), (441, 477407), (1029, 204603), (2401, 87687), (3087, 68201), (7203, 29229), (9743, 21609)]