1680399

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{523}}^1$

素因数の和:556

約数の個数: 32

約数和(自身を含む): 3018240

約数和(自身を除く): 1337841

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 523, 1071, 1569, 3213, 3661, 4707, 8891, 10983, 14121, 26673, 32949, 62237, 80019, 98847, 186711, 240057, 560133, 1680399]

約数ペア:

[(1, 1680399), (3, 560133), (7, 240057), (9, 186711), (17, 98847), (21, 80019), (27, 62237), (51, 32949), (63, 26673), (119, 14121), (153, 10983), (189, 8891), (357, 4707), (459, 3661), (523, 3213), (1071, 1569)]