28871685

素因数分解:

$3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{2063}}^1$

素因数の和:2385

約数の個数: 24

約数和(自身を含む): 50229504

約数和(自身を除く): 21357819

約数列:

[1, 3, 5, 9, 15, 45, 311, 933, 1555, 2063, 2799, 4665, 6189, 10315, 13995, 18567, 30945, 92835, 641593, 1924779, 3207965, 5774337, 9623895, 28871685]

約数ペア:

[(1, 28871685), (3, 9623895), (5, 5774337), (9, 3207965), (15, 1924779), (45, 641593), (311, 92835), (933, 30945), (1555, 18567), (2063, 13995), (2799, 10315), (4665, 6189)]