78855915

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{128221}}^1$

素因数の和:128270

約数の個数: 16

約数和(自身を含む): 129247776

約数和(自身を除く): 50391861

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 128221, 384663, 641105, 1923315, 5257061, 15771183, 26285305, 78855915]

約数ペア:

[(1, 78855915), (3, 26285305), (5, 15771183), (15, 5257061), (41, 1923315), (123, 641105), (205, 384663), (615, 128221)]