1995777

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:493

約数の個数: 24

約数和(自身を含む): 3344640

約数和(自身を除く): 1348863

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 401, 553, 711, 1203, 1659, 2807, 3609, 4977, 8421, 25263, 31679, 95037, 221753, 285111, 665259, 1995777]

約数ペア:

[(1, 1995777), (3, 665259), (7, 285111), (9, 221753), (21, 95037), (63, 31679), (79, 25263), (237, 8421), (401, 4977), (553, 3609), (711, 2807), (1203, 1659)]