199406985

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{324239}}^1$

素因数の和:324288

約数の個数: 16

約数和(自身を含む): 326833920

約数和(自身を除く): 127426935

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 324239, 972717, 1621195, 4863585, 13293799, 39881397, 66468995, 199406985]

約数ペア:

[(1, 199406985), (3, 66468995), (5, 39881397), (15, 13293799), (41, 4863585), (123, 1621195), (205, 972717), (615, 324239)]