1621326429

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{643}}^1\times {\mathrm{1987}}^1$

素因数の和:2686

約数の個数: 32

約数和(自身を含む): 2458122240

約数和(自身を除く): 836795811

約数列:

[1, 3, 9, 27, 47, 141, 423, 643, 1269, 1929, 1987, 5787, 5961, 17361, 17883, 30221, 53649, 90663, 93389, 271989, 280167, 815967, 840501, 1277641, 2521503, 3832923, 11498769, 34496307, 60049127, 180147381, 540442143, 1621326429]

約数ペア:

[(1, 1621326429), (3, 540442143), (9, 180147381), (27, 60049127), (47, 34496307), (141, 11498769), (423, 3832923), (643, 2521503), (1269, 1277641), (1929, 840501), (1987, 815967), (5787, 280167), (5961, 271989), (17361, 93389), (17883, 90663), (30221, 53649)]