127777279

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{3203}}^1$

素因数の和:3390

約数の個数: 16

約数和(自身を含む): 150716160

約数和(自身を除く): 22938881

約数列:

[1, 7, 41, 139, 287, 973, 3203, 5699, 22421, 39893, 131323, 445217, 919261, 3116519, 18253897, 127777279]

約数ペア:

[(1, 127777279), (7, 18253897), (41, 3116519), (139, 919261), (287, 445217), (973, 131323), (3203, 39893), (5699, 22421)]