2190951

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{419}}^1$

素因数の和:515

約数の個数: 24

約数和(自身を含む): 3669120

約数和(自身を除く): 1478169

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 419, 581, 747, 1257, 1743, 2933, 3771, 5229, 8799, 26397, 34777, 104331, 243439, 312993, 730317, 2190951]

約数ペア:

[(1, 2190951), (3, 730317), (7, 312993), (9, 243439), (21, 104331), (63, 34777), (83, 26397), (249, 8799), (419, 5229), (581, 3771), (747, 2933), (1257, 1743)]