990219

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:266

約数の個数: 16

約数和(自身を含む): 1400832

約数和(自身を除く): 410613

約数列:

[1, 3, 23, 69, 113, 127, 339, 381, 2599, 2921, 7797, 8763, 14351, 43053, 330073, 990219]

約数ペア:

[(1, 990219), (3, 330073), (23, 43053), (69, 14351), (113, 8763), (127, 7797), (339, 2921), (381, 2599)]