81787635

素因数分解:

$3^2\times 5^1\times {\mathrm{881}}^1\times {\mathrm{2063}}^1$

素因数の和:2955

約数の個数: 24

約数和(自身を含む): 141994944

約数和(自身を除く): 60207309

約数列:

[1, 3, 5, 9, 15, 45, 881, 2063, 2643, 4405, 6189, 7929, 10315, 13215, 18567, 30945, 39645, 92835, 1817503, 5452509, 9087515, 16357527, 27262545, 81787635]

約数ペア:

[(1, 81787635), (3, 27262545), (5, 16357527), (9, 9087515), (15, 5452509), (45, 1817503), (881, 92835), (2063, 39645), (2643, 30945), (4405, 18567), (6189, 13215), (7929, 10315)]