187781567391

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1361}}^1\times {\mathrm{73351}}^1$

素因数の和:74748

約数の個数: 48

約数和(自身を含む): 311704922880

約数和(自身を除く): 123923355489

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1361, 1881, 4083, 12249, 14971, 25859, 44913, 73351, 77577, 134739, 220053, 232731, 284449, 660159, 806861, 853347, 1393669, 2420583, 2560041, 4181007, 7261749, 12543021, 15330359, 45991077, 99830711, 137973231, 299492133, 898476399, 1098137821, 1896783509, 3294413463, 5690350527, 9883240389, 17071051581, 20864618599, 62593855797, 187781567391]

約数ペア:

[(1, 187781567391), (3, 62593855797), (9, 20864618599), (11, 17071051581), (19, 9883240389), (33, 5690350527), (57, 3294413463), (99, 1896783509), (171, 1098137821), (209, 898476399), (627, 299492133), (1361, 137973231), (1881, 99830711), (4083, 45991077), (12249, 15330359), (14971, 12543021), (25859, 7261749), (44913, 4181007), (73351, 2560041), (77577, 2420583), (134739, 1393669), (220053, 853347), (232731, 806861), (284449, 660159)]