128416635

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{40193}}^1$

素因数の和:40275

約数の個数: 24

約数和(自身を含む): 225729504

約数和(自身を除く): 97312869

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 40193, 120579, 200965, 361737, 602895, 1808685, 2853703, 8561109, 14268515, 25683327, 42805545, 128416635]

約数ペア:

[(1, 128416635), (3, 42805545), (5, 25683327), (9, 14268515), (15, 8561109), (45, 2853703), (71, 1808685), (213, 602895), (355, 361737), (639, 200965), (1065, 120579), (3195, 40193)]