7428021

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1$

素因数の和:568

約数の個数: 16

約数和(自身を含む): 10214400

約数和(自身を除く): 2786379

約数列:

[1, 3, 47, 139, 141, 379, 417, 1137, 6533, 17813, 19599, 52681, 53439, 158043, 2476007, 7428021]

約数ペア:

[(1, 7428021), (3, 2476007), (47, 158043), (139, 53439), (141, 52681), (379, 19599), (417, 17813), (1137, 6533)]