2019339

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{241}}^1$

素因数の和:280

約数の個数: 36

約数和(自身を含む): 3586440

約数和(自身を除く): 1567101

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 241, 399, 441, 723, 931, 1197, 1687, 2169, 2793, 4579, 5061, 8379, 11809, 13737, 15183, 32053, 35427, 41211, 96159, 106281, 224371, 288477, 673113, 2019339]

約数ペア:

[(1, 2019339), (3, 673113), (7, 288477), (9, 224371), (19, 106281), (21, 96159), (49, 41211), (57, 35427), (63, 32053), (133, 15183), (147, 13737), (171, 11809), (241, 8379), (399, 5061), (441, 4579), (723, 2793), (931, 2169), (1197, 1687)]