2164491

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:120

約数の個数: 48

約数和(自身を含む): 3953664

約数和(自身を除く): 1789173

約数列:

[1, 3, 7, 9, 17, 21, 43, 47, 51, 63, 119, 129, 141, 153, 301, 329, 357, 387, 423, 731, 799, 903, 987, 1071, 2021, 2193, 2397, 2709, 2961, 5117, 5593, 6063, 6579, 7191, 14147, 15351, 16779, 18189, 34357, 42441, 46053, 50337, 103071, 127323, 240499, 309213, 721497, 2164491]

約数ペア:

[(1, 2164491), (3, 721497), (7, 309213), (9, 240499), (17, 127323), (21, 103071), (43, 50337), (47, 46053), (51, 42441), (63, 34357), (119, 18189), (129, 16779), (141, 15351), (153, 14147), (301, 7191), (329, 6579), (357, 6063), (387, 5593), (423, 5117), (731, 2961), (799, 2709), (903, 2397), (987, 2193), (1071, 2021)]