128400765

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{450529}}^1$

素因数の和:450556

約数の個数: 16

約数和(自身を含む): 216254400

約数和(自身を除く): 87853635

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 450529, 1351587, 2252645, 6757935, 8560051, 25680153, 42800255, 128400765]

約数ペア:

[(1, 128400765), (3, 42800255), (5, 25680153), (15, 8560051), (19, 6757935), (57, 2252645), (95, 1351587), (285, 450529)]