3942785

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1$

素因数の和:67

約数の個数: 48

約数和(自身を含む): 6384000

約数和(自身を除く): 2441215

約数列:

[1, 5, 7, 11, 19, 35, 49, 55, 77, 95, 121, 133, 209, 245, 343, 385, 539, 605, 665, 847, 931, 1045, 1463, 1715, 2299, 2695, 3773, 4235, 4655, 5929, 6517, 7315, 10241, 11495, 16093, 18865, 29645, 32585, 41503, 51205, 71687, 80465, 112651, 207515, 358435, 563255, 788557, 3942785]

約数ペア:

[(1, 3942785), (5, 788557), (7, 563255), (11, 358435), (19, 207515), (35, 112651), (49, 80465), (55, 71687), (77, 51205), (95, 41503), (121, 32585), (133, 29645), (209, 18865), (245, 16093), (343, 11495), (385, 10241), (539, 7315), (605, 6517), (665, 5929), (847, 4655), (931, 4235), (1045, 3773), (1463, 2695), (1715, 2299)]