28380933

素因数分解:

$3^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{1361}}^1$

素因数の和:1705

約数の個数: 24

約数和(自身を含む): 47027136

約数和(自身を除く): 18646203

約数列:

[1, 3, 7, 9, 21, 63, 331, 993, 1361, 2317, 2979, 4083, 6951, 9527, 12249, 20853, 28581, 85743, 450491, 1351473, 3153437, 4054419, 9460311, 28380933]

約数ペア:

[(1, 28380933), (3, 9460311), (7, 4054419), (9, 3153437), (21, 1351473), (63, 450491), (331, 85743), (993, 28581), (1361, 20853), (2317, 12249), (2979, 9527), (4083, 6951)]