28971045

素因数分解:

$3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{2887}}^1$

素因数の和:3121

約数の個数: 24

約数和(自身を含む): 50459136

約数和(自身を除く): 21488091

約数列:

[1, 3, 5, 9, 15, 45, 223, 669, 1115, 2007, 2887, 3345, 8661, 10035, 14435, 25983, 43305, 129915, 643801, 1931403, 3219005, 5794209, 9657015, 28971045]

約数ペア:

[(1, 28971045), (3, 9657015), (5, 5794209), (9, 3219005), (15, 1931403), (45, 643801), (223, 129915), (669, 43305), (1115, 25983), (2007, 14435), (2887, 10035), (3345, 8661)]