221497287

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{2381}}^1\times {\mathrm{2819}}^1$

素因数の和:5214

約数の個数: 16

約数和(自身を含む): 322427520

約数和(自身を除く): 100930233

約数列:

[1, 3, 11, 33, 2381, 2819, 7143, 8457, 26191, 31009, 78573, 93027, 6712039, 20136117, 73832429, 221497287]

約数ペア:

[(1, 221497287), (3, 73832429), (11, 20136117), (33, 6712039), (2381, 93027), (2819, 78573), (7143, 31009), (8457, 26191)]