81017349

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{203051}}^1$

素因数の和:203080

約数の個数: 16

約数和(自身を含む): 129953280

約数和(自身を除く): 48935931

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 203051, 609153, 1421357, 3857969, 4264071, 11573907, 27005783, 81017349]

約数ペア:

[(1, 81017349), (3, 27005783), (7, 11573907), (19, 4264071), (21, 3857969), (57, 1421357), (133, 609153), (399, 203051)]