71821071

素因数分解:

$3^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{4057}}^1$

素因数の和:4351

約数の個数: 24

約数和(自身を含む): 119013024

約数和(自身を除く): 47191953

約数列:

[1, 3, 7, 9, 21, 63, 281, 843, 1967, 2529, 4057, 5901, 12171, 17703, 28399, 36513, 85197, 255591, 1140017, 3420051, 7980119, 10260153, 23940357, 71821071]

約数ペア:

[(1, 71821071), (3, 23940357), (7, 10260153), (9, 7980119), (21, 3420051), (63, 1140017), (281, 255591), (843, 85197), (1967, 36513), (2529, 28399), (4057, 17703), (5901, 12171)]