51578499

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{18749}}^1$

素因数の和:18890

約数の個数: 16

約数和(自身を含む): 79200000

約数和(自身を除く): 27621501

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 18749, 56247, 131243, 393729, 2456119, 7368357, 17192833, 51578499]

約数ペア:

[(1, 51578499), (3, 17192833), (7, 7368357), (21, 2456119), (131, 393729), (393, 131243), (917, 56247), (2751, 18749)]