1900395819

素因数分解:

$3^2\times 7^1\times {\mathrm{30165013}}^1$

素因数の和:30165026

約数の個数: 12

約数和(自身を含む): 3137161456

約数和(自身を除く): 1236765637

約数列:

[1, 3, 7, 9, 21, 63, 30165013, 90495039, 211155091, 271485117, 633465273, 1900395819]

約数ペア:

[(1, 1900395819), (3, 633465273), (7, 271485117), (9, 211155091), (21, 90495039), (63, 30165013)]