42725421

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{643}}^1$

素因数の和:782

約数の個数: 32

約数和(自身を含む): 66769920

約数和(自身を除く): 24044499

約数列:

[1, 3, 9, 23, 27, 69, 107, 207, 321, 621, 643, 963, 1929, 2461, 2889, 5787, 7383, 14789, 17361, 22149, 44367, 66447, 68801, 133101, 206403, 399303, 619209, 1582423, 1857627, 4747269, 14241807, 42725421]

約数ペア:

[(1, 42725421), (3, 14241807), (9, 4747269), (23, 1857627), (27, 1582423), (69, 619209), (107, 399303), (207, 206403), (321, 133101), (621, 68801), (643, 66447), (963, 44367), (1929, 22149), (2461, 17361), (2889, 14789), (5787, 7383)]