31406319

素因数分解:

$3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1553}}^1$

素因数の和:1676

約数の個数: 32

約数和(自身を含む): 53706240

約数和(自身を除く): 22299921

約数列:

[1, 3, 7, 9, 21, 27, 63, 107, 189, 321, 749, 963, 1553, 2247, 2889, 4659, 6741, 10871, 13977, 20223, 32613, 41931, 97839, 166171, 293517, 498513, 1163197, 1495539, 3489591, 4486617, 10468773, 31406319]

約数ペア:

[(1, 31406319), (3, 10468773), (7, 4486617), (9, 3489591), (21, 1495539), (27, 1163197), (63, 498513), (107, 293517), (189, 166171), (321, 97839), (749, 41931), (963, 32613), (1553, 20223), (2247, 13977), (2889, 10871), (4659, 6741)]