128519205

素因数分解:

$3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{57503}}^1$

素因数の和:57660

約数の個数: 16

約数和(自身を含む): 207014400

約数和(自身を除く): 78495195

約数列:

[1, 3, 5, 15, 149, 447, 745, 2235, 57503, 172509, 287515, 862545, 8567947, 25703841, 42839735, 128519205]

約数ペア:

[(1, 128519205), (3, 42839735), (5, 25703841), (15, 8567947), (149, 862545), (447, 287515), (745, 172509), (2235, 57503)]