31276707

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1907}}^1$

素因数の和:1999

約数の個数: 32

約数和(自身を含む): 52752384

約数和(自身を除く): 21475677

約数列:

[1, 3, 7, 11, 21, 33, 71, 77, 213, 231, 497, 781, 1491, 1907, 2343, 5467, 5721, 13349, 16401, 20977, 40047, 62931, 135397, 146839, 406191, 440517, 947779, 1489367, 2843337, 4468101, 10425569, 31276707]

約数ペア:

[(1, 31276707), (3, 10425569), (7, 4468101), (11, 2843337), (21, 1489367), (33, 947779), (71, 440517), (77, 406191), (213, 146839), (231, 135397), (497, 62931), (781, 40047), (1491, 20977), (1907, 16401), (2343, 13349), (5467, 5721)]