15319997

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:729

約数の個数: 24

約数和(自身を含む): 19923552

約数和(自身を除く): 4603555

約数列:

[1, 7, 11, 43, 49, 77, 301, 473, 539, 661, 2107, 3311, 4627, 7271, 23177, 28423, 32389, 50897, 198961, 312653, 356279, 1392727, 2188571, 15319997]

約数ペア:

[(1, 15319997), (7, 2188571), (11, 1392727), (43, 356279), (49, 312653), (77, 198961), (301, 50897), (473, 32389), (539, 28423), (661, 23177), (2107, 7271), (3311, 4627)]