133478401

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{461}}^1$

素因数の和:805

約数の個数: 24

約数和(自身を含む): 164324160

約数和(自身を除く): 30845759

約数列:

[1, 7, 19, 49, 133, 311, 461, 931, 2177, 3227, 5909, 8759, 15239, 22589, 41363, 61313, 143371, 289541, 429191, 1003597, 2724049, 7025179, 19068343, 133478401]

約数ペア:

[(1, 133478401), (7, 19068343), (19, 7025179), (49, 2724049), (133, 1003597), (311, 429191), (461, 289541), (931, 143371), (2177, 61313), (3227, 41363), (5909, 22589), (8759, 15239)]