137777213

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1\times {\mathrm{1231}}^1$

素因数の和:1568

約数の個数: 16

約数和(自身を含む): 160849920

約数和(自身を除く): 23072707

約数列:

[1, 7, 59, 271, 413, 1231, 1897, 8617, 15989, 72629, 111923, 333601, 508403, 2335207, 19682459, 137777213]

約数ペア:

[(1, 137777213), (7, 19682459), (59, 2335207), (271, 508403), (413, 333601), (1231, 111923), (1897, 72629), (8617, 15989)]