28148961

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{7039}}^1$

素因数の和:7116

約数の個数: 16

約数和(自身を含む): 39649280

約数和(自身を除く): 11500319

約数列:

[1, 3, 31, 43, 93, 129, 1333, 3999, 7039, 21117, 218209, 302677, 654627, 908031, 9382987, 28148961]

約数ペア:

[(1, 28148961), (3, 9382987), (31, 908031), (43, 654627), (93, 302677), (129, 218209), (1333, 21117), (3999, 7039)]