81172431

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{1511}}^1$

素因数の和:1691

約数の個数: 24

約数和(自身を含む): 120766464

約数和(自身を除く): 39594033

約数列:

[1, 3, 9, 47, 127, 141, 381, 423, 1143, 1511, 4533, 5969, 13599, 17907, 53721, 71017, 191897, 213051, 575691, 639153, 1727073, 9019159, 27057477, 81172431]

約数ペア:

[(1, 81172431), (3, 27057477), (9, 9019159), (47, 1727073), (127, 639153), (141, 575691), (381, 213051), (423, 191897), (1143, 71017), (1511, 53721), (4533, 17907), (5969, 13599)]