2181201

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1$

素因数の和:592

約数の個数: 16

約数和(自身を含む): 3200448

約数和(自身を除く): 1019247

約数列:

[1, 3, 11, 33, 157, 421, 471, 1263, 1727, 4631, 5181, 13893, 66097, 198291, 727067, 2181201]

約数ペア:

[(1, 2181201), (3, 727067), (11, 198291), (33, 66097), (157, 13893), (421, 5181), (471, 4631), (1263, 1727)]