28333809

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1367}}^1$

素因数の和:1434

約数の個数: 36

約数和(自身を含む): 48657024

約数和(自身を除く): 20323215

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 423, 441, 987, 1367, 2303, 2961, 4101, 6909, 9569, 12303, 20727, 28707, 64249, 66983, 86121, 192747, 200949, 449743, 578241, 602847, 1349229, 3148201, 4047687, 9444603, 28333809]

約数ペア:

[(1, 28333809), (3, 9444603), (7, 4047687), (9, 3148201), (21, 1349229), (47, 602847), (49, 578241), (63, 449743), (141, 200949), (147, 192747), (329, 86121), (423, 66983), (441, 64249), (987, 28707), (1367, 20727), (2303, 12303), (2961, 9569), (4101, 6909)]