199987851

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{307201}}^1$

素因数の和:307242

約数の個数: 16

約数和(自身を含む): 314574848

約数和(自身を除く): 114586997

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 307201, 921603, 2150407, 6451221, 9523231, 28569693, 66662617, 199987851]

約数ペア:

[(1, 199987851), (3, 66662617), (7, 28569693), (21, 9523231), (31, 6451221), (93, 2150407), (217, 921603), (651, 307201)]