28821387

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{29201}}^1$

素因数の和:29258

約数の個数: 16

約数和(自身を含む): 44854272

約数和(自身を除く): 16032885

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 29201, 87603, 204407, 613221, 1372447, 4117341, 9607129, 28821387]

約数ペア:

[(1, 28821387), (3, 9607129), (7, 4117341), (21, 1372447), (47, 613221), (141, 204407), (329, 87603), (987, 29201)]