51286719

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{521}}^1$

素因数の和:711

約数の個数: 32

約数和(自身を含む): 79176960

約数和(自身を除く): 27890241

約数列:

[1, 3, 11, 19, 33, 57, 157, 209, 471, 521, 627, 1563, 1727, 2983, 5181, 5731, 8949, 9899, 17193, 29697, 32813, 81797, 98439, 108889, 245391, 326667, 899767, 1554143, 2699301, 4662429, 17095573, 51286719]

約数ペア:

[(1, 51286719), (3, 17095573), (11, 4662429), (19, 2699301), (33, 1554143), (57, 899767), (157, 326667), (209, 245391), (471, 108889), (521, 98439), (627, 81797), (1563, 32813), (1727, 29697), (2983, 17193), (5181, 9899), (5731, 8949)]