13561639

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2099}}^1$

素因数の和:2190

約数の個数: 16

約数和(自身を含む): 16934400

約数和(自身を除く): 3372761

約数列:

[1, 7, 13, 71, 91, 497, 923, 2099, 6461, 14693, 27287, 149029, 191009, 1043203, 1937377, 13561639]

約数ペア:

[(1, 13561639), (7, 1937377), (13, 1043203), (71, 191009), (91, 149029), (497, 27287), (923, 14693), (2099, 6461)]