156741921

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4721}}^1$

素因数の和:4782

約数の個数: 48

約数和(自身を含む): 282866688

約数和(自身を除く): 126124767

約数列:

[1, 3, 7, 9, 17, 21, 31, 51, 63, 93, 119, 153, 217, 279, 357, 527, 651, 1071, 1581, 1953, 3689, 4721, 4743, 11067, 14163, 33047, 33201, 42489, 80257, 99141, 146351, 240771, 297423, 439053, 561799, 722313, 1024457, 1317159, 1685397, 2487967, 3073371, 5056191, 7463901, 9220113, 17415769, 22391703, 52247307, 156741921]

約数ペア:

[(1, 156741921), (3, 52247307), (7, 22391703), (9, 17415769), (17, 9220113), (21, 7463901), (31, 5056191), (51, 3073371), (63, 2487967), (93, 1685397), (119, 1317159), (153, 1024457), (217, 722313), (279, 561799), (357, 439053), (527, 297423), (651, 240771), (1071, 146351), (1581, 99141), (1953, 80257), (3689, 42489), (4721, 33201), (4743, 33047), (11067, 14163)]