1989787737

素因数分解:

$3^1\times 7^2\times {\mathrm{3461}}^1\times {\mathrm{3911}}^1$

素因数の和:7389

約数の個数: 24

約数和(自身を含む): 3087882432

約数和(自身を除く): 1098094695

約数列:

[1, 3, 7, 21, 49, 147, 3461, 3911, 10383, 11733, 24227, 27377, 72681, 82131, 169589, 191639, 508767, 574917, 13535971, 40607913, 94751797, 284255391, 663262579, 1989787737]

約数ペア:

[(1, 1989787737), (3, 663262579), (7, 284255391), (21, 94751797), (49, 40607913), (147, 13535971), (3461, 574917), (3911, 508767), (10383, 191639), (11733, 169589), (24227, 82131), (27377, 72681)]