128509905

素因数分解:

$3^1\times 5^1\times {\mathrm{383}}^1\times {\mathrm{22369}}^1$

素因数の和:22760

約数の個数: 16

約数和(自身を含む): 206161920

約数和(自身を除く): 77652015

約数列:

[1, 3, 5, 15, 383, 1149, 1915, 5745, 22369, 67107, 111845, 335535, 8567327, 25701981, 42836635, 128509905]

約数ペア:

[(1, 128509905), (3, 42836635), (5, 25701981), (15, 8567327), (383, 335535), (1149, 111845), (1915, 67107), (5745, 22369)]