28786191

素因数分解:

$3^1\times 7^1\times {\mathrm{853}}^1\times {\mathrm{1607}}^1$

素因数の和:2470

約数の個数: 16

約数和(自身を含む): 43943424

約数和(自身を除く): 15157233

約数列:

[1, 3, 7, 21, 853, 1607, 2559, 4821, 5971, 11249, 17913, 33747, 1370771, 4112313, 9595397, 28786191]

約数ペア:

[(1, 28786191), (3, 9595397), (7, 4112313), (21, 1370771), (853, 33747), (1607, 17913), (2559, 11249), (4821, 5971)]