15404921

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:488

約数の個数: 16

約数和(自身を含む): 18086400

約数和(自身を除く): 2681479

約数列:

[1, 7, 79, 89, 313, 553, 623, 2191, 7031, 24727, 27857, 49217, 173089, 194999, 2200703, 15404921]

約数ペア:

[(1, 15404921), (7, 2200703), (79, 194999), (89, 173089), (313, 49217), (553, 27857), (623, 24727), (2191, 7031)]