78866985

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{128239}}^1$

素因数の和:128288

約数の個数: 16

約数和(自身を含む): 129265920

約数和(自身を除く): 50398935

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 128239, 384717, 641195, 1923585, 5257799, 15773397, 26288995, 78866985]

約数ペア:

[(1, 78866985), (3, 26288995), (5, 15773397), (15, 5257799), (41, 1923585), (123, 641195), (205, 384717), (615, 128239)]