203428561

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{2143}}^1$

素因数の和:2412

約数の個数: 16

約数和(自身を含む): 237109248

約数和(自身を除く): 33680687

約数列:

[1, 7, 71, 191, 497, 1337, 2143, 13561, 15001, 94927, 152153, 409313, 1065071, 2865191, 29061223, 203428561]

約数ペア:

[(1, 203428561), (7, 29061223), (71, 2865191), (191, 1065071), (497, 409313), (1337, 152153), (2143, 94927), (13561, 15001)]