201996921

素因数分解:

$3^1\times 7^1\times {\mathrm{1777}}^1\times {\mathrm{5413}}^1$

素因数の和:7200

約数の個数: 16

約数和(自身を含む): 308034944

約数和(自身を除く): 106038023

約数列:

[1, 3, 7, 21, 1777, 5331, 5413, 12439, 16239, 37317, 37891, 113673, 9618901, 28856703, 67332307, 201996921]

約数ペア:

[(1, 201996921), (3, 67332307), (7, 28856703), (21, 9618901), (1777, 113673), (5331, 37891), (5413, 37317), (12439, 16239)]