11971281

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{33533}}^1$

素因数の和:33560

約数の個数: 16

約数和(自身を含む): 19315584

約数和(自身を除く): 7344303

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 33533, 100599, 234731, 570061, 704193, 1710183, 3990427, 11971281]

約数ペア:

[(1, 11971281), (3, 3990427), (7, 1710183), (17, 704193), (21, 570061), (51, 234731), (119, 100599), (357, 33533)]