1921023

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{421}}^1$

素因数の和:456

約数の個数: 24

約数和(自身を含む): 3089040

約数和(自身を除く): 1168017

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 421, 507, 1263, 1521, 3789, 4563, 5473, 11367, 16419, 49257, 71149, 147771, 213447, 640341, 1921023]

約数ペア:

[(1, 1921023), (3, 640341), (9, 213447), (13, 147771), (27, 71149), (39, 49257), (117, 16419), (169, 11367), (351, 5473), (421, 4563), (507, 3789), (1263, 1521)]