208047411

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:341

約数の個数: 96

約数和(自身を含む): 385414848

約数和(自身を除く): 177367437

約数列:

[1, 3, 9, 11, 13, 17, 33, 37, 39, 51, 99, 111, 117, 143, 153, 187, 221, 257, 333, 407, 429, 481, 561, 629, 663, 771, 1221, 1287, 1443, 1683, 1887, 1989, 2313, 2431, 2827, 3341, 3663, 4329, 4369, 5291, 5661, 6919, 7293, 8177, 8481, 9509, 10023, 13107, 15873, 20757, 21879, 24531, 25443, 28527, 30069, 36751, 39321, 47619, 48059, 56797, 62271, 73593, 85581, 89947, 104599, 110253, 123617, 144177, 161653, 170391, 269841, 313797, 330759, 370851, 432531, 484959, 511173, 624767, 809523, 941391, 1112553, 1359787, 1454877, 1778183, 1874301, 2101489, 4079361, 5334549, 5622903, 6304467, 12238083, 16003647, 18913401, 23116379, 69349137, 208047411]

約数ペア:

[(1, 208047411), (3, 69349137), (9, 23116379), (11, 18913401), (13, 16003647), (17, 12238083), (33, 6304467), (37, 5622903), (39, 5334549), (51, 4079361), (99, 2101489), (111, 1874301), (117, 1778183), (143, 1454877), (153, 1359787), (187, 1112553), (221, 941391), (257, 809523), (333, 624767), (407, 511173), (429, 484959), (481, 432531), (561, 370851), (629, 330759), (663, 313797), (771, 269841), (1221, 170391), (1287, 161653), (1443, 144177), (1683, 123617), (1887, 110253), (1989, 104599), (2313, 89947), (2431, 85581), (2827, 73593), (3341, 62271), (3663, 56797), (4329, 48059), (4369, 47619), (5291, 39321), (5661, 36751), (6919, 30069), (7293, 28527), (8177, 25443), (8481, 24531), (9509, 21879), (10023, 20757), (13107, 15873)]