778885191

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{2621}}^1$

素因数の和:2776

約数の個数: 48

約数和(自身を含む): 1325263680

約数和(自身を除く): 546378489

約数列:

[1, 3, 7, 9, 21, 53, 63, 89, 159, 267, 371, 477, 623, 801, 1113, 1869, 2621, 3339, 4717, 5607, 7863, 14151, 18347, 23589, 33019, 42453, 55041, 99057, 138913, 165123, 233269, 297171, 416739, 699807, 972391, 1250217, 1632883, 2099421, 2917173, 4898649, 8751519, 12363257, 14695947, 37089771, 86542799, 111269313, 259628397, 778885191]

約数ペア:

[(1, 778885191), (3, 259628397), (7, 111269313), (9, 86542799), (21, 37089771), (53, 14695947), (63, 12363257), (89, 8751519), (159, 4898649), (267, 2917173), (371, 2099421), (477, 1632883), (623, 1250217), (801, 972391), (1113, 699807), (1869, 416739), (2621, 297171), (3339, 233269), (4717, 165123), (5607, 138913), (7863, 99057), (14151, 55041), (18347, 42453), (23589, 33019)]