51611931

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:453

約数の個数: 64

約数和(自身を含む): 94371840

約数和(自身を除く): 42759909

約数列:

[1, 3, 7, 9, 21, 23, 27, 31, 63, 69, 93, 161, 189, 207, 217, 279, 383, 483, 621, 651, 713, 837, 1149, 1449, 1953, 2139, 2681, 3447, 4347, 4991, 5859, 6417, 8043, 8809, 10341, 11873, 14973, 19251, 24129, 26427, 35619, 44919, 61663, 72387, 79281, 83111, 106857, 134757, 184989, 237843, 249333, 273079, 320571, 554967, 747999, 819237, 1664901, 1911553, 2243997, 2457711, 5734659, 7373133, 17203977, 51611931]

約数ペア:

[(1, 51611931), (3, 17203977), (7, 7373133), (9, 5734659), (21, 2457711), (23, 2243997), (27, 1911553), (31, 1664901), (63, 819237), (69, 747999), (93, 554967), (161, 320571), (189, 273079), (207, 249333), (217, 237843), (279, 184989), (383, 134757), (483, 106857), (621, 83111), (651, 79281), (713, 72387), (837, 61663), (1149, 44919), (1449, 35619), (1953, 26427), (2139, 24129), (2681, 19251), (3447, 14973), (4347, 11873), (4991, 10341), (5859, 8809), (6417, 8043)]