42742917

素因数分解:

$3^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1627}}^1$

素因数の和:1782

約数の個数: 32

約数和(自身を含む): 72934400

約数和(自身を除く): 30191483

約数列:

[1, 3, 7, 9, 21, 27, 63, 139, 189, 417, 973, 1251, 1627, 2919, 3753, 4881, 8757, 11389, 14643, 26271, 34167, 43929, 102501, 226153, 307503, 678459, 1583071, 2035377, 4749213, 6106131, 14247639, 42742917]

約数ペア:

[(1, 42742917), (3, 14247639), (7, 6106131), (9, 4749213), (21, 2035377), (27, 1583071), (63, 678459), (139, 307503), (189, 226153), (417, 102501), (973, 43929), (1251, 34167), (1627, 26271), (2919, 14643), (3753, 11389), (4881, 8757)]