51148869

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 74649600

約数和(自身を除く): 23500731

約数列:

[1, 3, 17, 51, 53, 127, 149, 159, 381, 447, 901, 2159, 2533, 2703, 6477, 6731, 7599, 7897, 18923, 20193, 23691, 56769, 114427, 134249, 321691, 343281, 402747, 965073, 1002919, 3008757, 17049623, 51148869]

約数ペア:

[(1, 51148869), (3, 17049623), (17, 3008757), (51, 1002919), (53, 965073), (127, 402747), (149, 343281), (159, 321691), (381, 134249), (447, 114427), (901, 56769), (2159, 23691), (2533, 20193), (2703, 18923), (6477, 7897), (6731, 7599)]