16851921

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1297}}^1$

素因数の和:1432

約数の個数: 16

約数和(自身を含む): 23177088

約数和(自身を除く): 6325167

約数列:

[1, 3, 61, 71, 183, 213, 1297, 3891, 4331, 12993, 79117, 92087, 237351, 276261, 5617307, 16851921]

約数ペア:

[(1, 16851921), (3, 5617307), (61, 276261), (71, 237351), (183, 92087), (213, 79117), (1297, 12993), (3891, 4331)]