2149497

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1$

素因数の和:259

約数の個数: 40

約数和(自身を含む): 3902976

約数和(自身を除く): 1753479

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 153, 189, 223, 357, 459, 567, 669, 1071, 1377, 1561, 2007, 3213, 3791, 4683, 6021, 9639, 11373, 14049, 18063, 26537, 34119, 42147, 79611, 102357, 126441, 238833, 307071, 716499, 2149497]

約数ペア:

[(1, 2149497), (3, 716499), (7, 307071), (9, 238833), (17, 126441), (21, 102357), (27, 79611), (51, 42147), (63, 34119), (81, 26537), (119, 18063), (153, 14049), (189, 11373), (223, 9639), (357, 6021), (459, 4683), (567, 3791), (669, 3213), (1071, 2007), (1377, 1561)]