19710201

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{7057}}^1$

素因数の和:7093

約数の個数: 24

約数和(自身を含む): 32184480

約数和(自身を除く): 12474279

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 7057, 21171, 49399, 134083, 148197, 345793, 402249, 938581, 1037379, 2815743, 6570067, 19710201]

約数ペア:

[(1, 19710201), (3, 6570067), (7, 2815743), (19, 1037379), (21, 938581), (49, 402249), (57, 345793), (133, 148197), (147, 134083), (399, 49399), (931, 21171), (2793, 7057)]