31849389

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 56689920

約数和(自身を除く): 24840531

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 73, 99, 113, 117, 143, 219, 297, 339, 351, 429, 657, 803, 949, 1017, 1243, 1287, 1469, 1971, 2409, 2847, 3051, 3729, 3861, 4407, 7227, 8249, 8541, 10439, 11187, 13221, 16159, 21681, 24747, 25623, 31317, 33561, 39663, 48477, 74241, 90739, 93951, 107237, 145431, 222723, 272217, 281853, 321711, 436293, 816651, 965133, 1179607, 2449953, 2895399, 3538821, 10616463, 31849389]

約数ペア:

[(1, 31849389), (3, 10616463), (9, 3538821), (11, 2895399), (13, 2449953), (27, 1179607), (33, 965133), (39, 816651), (73, 436293), (99, 321711), (113, 281853), (117, 272217), (143, 222723), (219, 145431), (297, 107237), (339, 93951), (351, 90739), (429, 74241), (657, 48477), (803, 39663), (949, 33561), (1017, 31317), (1243, 25623), (1287, 24747), (1469, 21681), (1971, 16159), (2409, 13221), (2847, 11187), (3051, 10439), (3729, 8541), (3861, 8249), (4407, 7227)]