2015955921

素因数分解:

$3^1\times 7^1\times {\mathrm{9649}}^1\times {\mathrm{9949}}^1$

素因数の和:19608

約数の個数: 16

約数和(自身を含む): 3072560000

約数和(自身を除く): 1056604079

約数列:

[1, 3, 7, 21, 9649, 9949, 28947, 29847, 67543, 69643, 202629, 208929, 95997901, 287993703, 671985307, 2015955921]

約数ペア:

[(1, 2015955921), (3, 671985307), (7, 287993703), (21, 95997901), (9649, 208929), (9949, 202629), (28947, 69643), (29847, 67543)]