69981945

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:506

約数の個数: 64

約数和(自身を含む): 131777280

約数和(自身を除く): 61795335

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 61, 85, 165, 183, 187, 255, 305, 409, 561, 671, 915, 935, 1037, 1227, 2013, 2045, 2805, 3111, 3355, 4499, 5185, 6135, 6953, 10065, 11407, 13497, 15555, 20859, 22495, 24949, 34221, 34765, 57035, 67485, 74847, 76483, 104295, 124745, 171105, 229449, 274439, 374235, 382415, 424133, 823317, 1147245, 1272399, 1372195, 2120665, 4116585, 4665463, 6361995, 13996389, 23327315, 69981945]

約数ペア:

[(1, 69981945), (3, 23327315), (5, 13996389), (11, 6361995), (15, 4665463), (17, 4116585), (33, 2120665), (51, 1372195), (55, 1272399), (61, 1147245), (85, 823317), (165, 424133), (183, 382415), (187, 374235), (255, 274439), (305, 229449), (409, 171105), (561, 124745), (671, 104295), (915, 76483), (935, 74847), (1037, 67485), (1227, 57035), (2013, 34765), (2045, 34221), (2805, 24949), (3111, 22495), (3355, 20859), (4499, 15555), (5185, 13497), (6135, 11407), (6953, 10065)]