28766409

素因数分解:

$3^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{2399}}^1$

素因数の和:2980

約数の個数: 16

約数和(自身を含む): 43929600

約数和(自身を除く): 15163191

約数列:

[1, 3, 7, 21, 571, 1713, 2399, 3997, 7197, 11991, 16793, 50379, 1369829, 4109487, 9588803, 28766409]

約数ペア:

[(1, 28766409), (3, 9588803), (7, 4109487), (21, 1369829), (571, 50379), (1713, 16793), (2399, 11991), (3997, 7197)]