205123551

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{5527}}^1$

素因数の和:5758

約数の個数: 16

約数和(自身を含む): 278611200

約数和(自身を除く): 73487649

約数列:

[1, 3, 89, 139, 267, 417, 5527, 12371, 16581, 37113, 491903, 768253, 1475709, 2304759, 68374517, 205123551]

約数ペア:

[(1, 205123551), (3, 68374517), (89, 2304759), (139, 1475709), (267, 768253), (417, 491903), (5527, 37113), (12371, 16581)]