128791785

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{451901}}^1$

素因数の和:451928

約数の個数: 16

約数和(自身を含む): 216912960

約数和(自身を除く): 88121175

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 451901, 1355703, 2259505, 6778515, 8586119, 25758357, 42930595, 128791785]

約数ペア:

[(1, 128791785), (3, 42930595), (5, 25758357), (15, 8586119), (19, 6778515), (57, 2259505), (95, 1355703), (285, 451901)]