27720903

素因数分解:

$3^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{3677}}^1$

素因数の和:4046

約数の個数: 16

約数和(自身を含む): 42370560

約数和(自身を除く): 14649657

約数列:

[1, 3, 7, 21, 359, 1077, 2513, 3677, 7539, 11031, 25739, 77217, 1320043, 3960129, 9240301, 27720903]

約数ペア:

[(1, 27720903), (3, 9240301), (7, 3960129), (21, 1320043), (359, 77217), (1077, 25739), (2513, 11031), (3677, 7539)]