31405423

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:180

約数の個数: 32

約数和(自身を含む): 39680000

約数和(自身を除く): 8274577

約数列:

[1, 7, 19, 49, 61, 79, 133, 343, 427, 553, 931, 1159, 1501, 2989, 3871, 4819, 6517, 8113, 10507, 20923, 27097, 33733, 56791, 73549, 91561, 236131, 397537, 514843, 640927, 1652917, 4486489, 31405423]

約数ペア:

[(1, 31405423), (7, 4486489), (19, 1652917), (49, 640927), (61, 514843), (79, 397537), (133, 236131), (343, 91561), (427, 73549), (553, 56791), (931, 33733), (1159, 27097), (1501, 20923), (2989, 10507), (3871, 8113), (4819, 6517)]