18077409

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{16879}}^1$

素因数の和:16909

約数の個数: 24

約数和(自身を含む): 31599360

約数和(自身を除く): 13521951

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 16879, 50637, 118153, 151911, 286943, 354459, 860829, 1063377, 2008601, 2582487, 6025803, 18077409]

約数ペア:

[(1, 18077409), (3, 6025803), (7, 2582487), (9, 2008601), (17, 1063377), (21, 860829), (51, 354459), (63, 286943), (119, 151911), (153, 118153), (357, 50637), (1071, 16879)]