428180481

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 655050240

約数和(自身を除く): 226869759

約数列:

[1, 3, 9, 47, 53, 71, 141, 159, 213, 269, 423, 477, 639, 807, 2421, 2491, 3337, 3763, 7473, 10011, 11289, 12643, 14257, 19099, 22419, 30033, 33867, 37929, 42771, 57297, 113787, 128313, 171891, 176861, 530583, 670079, 897653, 1012247, 1591749, 2010237, 2692959, 3036741, 6030711, 8078877, 9110223, 47575609, 142726827, 428180481]

約数ペア:

[(1, 428180481), (3, 142726827), (9, 47575609), (47, 9110223), (53, 8078877), (71, 6030711), (141, 3036741), (159, 2692959), (213, 2010237), (269, 1591749), (423, 1012247), (477, 897653), (639, 670079), (807, 530583), (2421, 176861), (2491, 171891), (3337, 128313), (3763, 113787), (7473, 57297), (10011, 42771), (11289, 37929), (12643, 33867), (14257, 30033), (19099, 22419)]