51520315

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{2731}}^1$

素因数の和:2768

約数の個数: 32

約数和(自身を含む): 78681600

約数和(自身を除く): 27161285

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 343, 385, 539, 1715, 2695, 2731, 3773, 13655, 18865, 19117, 30041, 95585, 133819, 150205, 210287, 669095, 936733, 1051435, 1472009, 4683665, 7360045, 10304063, 51520315]

約数ペア:

[(1, 51520315), (5, 10304063), (7, 7360045), (11, 4683665), (35, 1472009), (49, 1051435), (55, 936733), (77, 669095), (245, 210287), (343, 150205), (385, 133819), (539, 95585), (1715, 30041), (2695, 19117), (2731, 18865), (3773, 13655)]