201891921

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{873991}}^1$

素因数の和:874012

約数の個数: 16

約数和(自身を含む): 335612928

約数和(自身を除く): 133721007

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 873991, 2621973, 6117937, 9613901, 18353811, 28841703, 67297307, 201891921]

約数ペア:

[(1, 201891921), (3, 67297307), (7, 28841703), (11, 18353811), (21, 9613901), (33, 6117937), (77, 2621973), (231, 873991)]