278028927

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{271}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 451815936

約数和(自身を除く): 173787009

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 241, 271, 387, 473, 723, 813, 1419, 2169, 2439, 2651, 2981, 4257, 7953, 8943, 10363, 11653, 23859, 26829, 31089, 34959, 65311, 93267, 104877, 113993, 128183, 195933, 341979, 384549, 587799, 718421, 1025937, 1153647, 2155263, 2808373, 6465789, 8425119, 25275357, 30892103, 92676309, 278028927]

約数ペア:

[(1, 278028927), (3, 92676309), (9, 30892103), (11, 25275357), (33, 8425119), (43, 6465789), (99, 2808373), (129, 2155263), (241, 1153647), (271, 1025937), (387, 718421), (473, 587799), (723, 384549), (813, 341979), (1419, 195933), (2169, 128183), (2439, 113993), (2651, 104877), (2981, 93267), (4257, 65311), (7953, 34959), (8943, 31089), (10363, 26829), (11653, 23859)]