31470201

素因数分解:

$3^6\times 7^2\times {\mathrm{881}}^1$

素因数の和:913

約数の個数: 42

約数和(自身を含む): 54949482

約数和(自身を除く): 23479281

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 729, 881, 1323, 1701, 2643, 3969, 5103, 6167, 7929, 11907, 18501, 23787, 35721, 43169, 55503, 71361, 129507, 166509, 214083, 388521, 499527, 642249, 1165563, 1498581, 3496689, 4495743, 10490067, 31470201]

約数ペア:

[(1, 31470201), (3, 10490067), (7, 4495743), (9, 3496689), (21, 1498581), (27, 1165563), (49, 642249), (63, 499527), (81, 388521), (147, 214083), (189, 166509), (243, 129507), (441, 71361), (567, 55503), (729, 43169), (881, 35721), (1323, 23787), (1701, 18501), (2643, 11907), (3969, 7929), (5103, 6167)]