51875817

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{367}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 81395712

約数和(自身を除く): 29519895

約数列:

[1, 3, 7, 21, 53, 127, 159, 367, 371, 381, 889, 1101, 1113, 2569, 2667, 6731, 7707, 19451, 20193, 46609, 47117, 58353, 136157, 139827, 141351, 326263, 408471, 978789, 2470277, 7410831, 17291939, 51875817]

約数ペア:

[(1, 51875817), (3, 17291939), (7, 7410831), (21, 2470277), (53, 978789), (127, 408471), (159, 326263), (367, 141351), (371, 139827), (381, 136157), (889, 58353), (1101, 47117), (1113, 46609), (2569, 20193), (2667, 19451), (6731, 7707)]