4991319

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:160

約数の個数: 36

約数和(自身を含む): 8141640

約数和(自身を除く): 3150321

約数列:

[1, 3, 9, 17, 19, 51, 57, 101, 153, 171, 289, 303, 323, 867, 909, 969, 1717, 1919, 2601, 2907, 5151, 5491, 5757, 15453, 16473, 17271, 29189, 32623, 49419, 87567, 97869, 262701, 293607, 554591, 1663773, 4991319]

約数ペア:

[(1, 4991319), (3, 1663773), (9, 554591), (17, 293607), (19, 262701), (51, 97869), (57, 87567), (101, 49419), (153, 32623), (171, 29189), (289, 17271), (303, 16473), (323, 15453), (867, 5757), (909, 5491), (969, 5151), (1717, 2907), (1919, 2601)]