6390639

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:287

約数の個数: 24

約数和(自身を含む): 9558432

約数和(自身を除く): 3167793

約数列:

[1, 3, 9, 71, 73, 137, 213, 219, 411, 639, 657, 1233, 5183, 9727, 10001, 15549, 29181, 30003, 46647, 87543, 90009, 710071, 2130213, 6390639]

約数ペア:

[(1, 6390639), (3, 2130213), (9, 710071), (71, 90009), (73, 87543), (137, 46647), (213, 30003), (219, 29181), (411, 15549), (639, 10001), (657, 9727), (1233, 5183)]