16256457

素因数分解:

$3^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{503}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 29352960

約数和(自身を除く): 13096503

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 243, 399, 503, 513, 567, 1197, 1509, 1539, 1701, 3521, 3591, 4527, 4617, 9557, 10563, 10773, 13581, 28671, 31689, 32319, 40743, 66899, 86013, 95067, 122229, 200697, 258039, 285201, 602091, 774117, 855603, 1806273, 2322351, 5418819, 16256457]

約数ペア:

[(1, 16256457), (3, 5418819), (7, 2322351), (9, 1806273), (19, 855603), (21, 774117), (27, 602091), (57, 285201), (63, 258039), (81, 200697), (133, 122229), (171, 95067), (189, 86013), (243, 66899), (399, 40743), (503, 32319), (513, 31689), (567, 28671), (1197, 13581), (1509, 10773), (1539, 10563), (1701, 9557), (3521, 4617), (3591, 4527)]