199315719

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{28429}}^1$

素因数の和:28495

約数の個数: 24

約数和(自身を含む): 310455600

約数和(自身を除く): 111139881

約数列:

[1, 3, 9, 19, 41, 57, 123, 171, 369, 779, 2337, 7011, 28429, 85287, 255861, 540151, 1165589, 1620453, 3496767, 4861359, 10490301, 22146191, 66438573, 199315719]

約数ペア:

[(1, 199315719), (3, 66438573), (9, 22146191), (19, 10490301), (41, 4861359), (57, 3496767), (123, 1620453), (171, 1165589), (369, 540151), (779, 255861), (2337, 85287), (7011, 28429)]