28199661

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{36293}}^1$

素因数の和:36340

約数の個数: 16

約数和(自身を含む): 44133504

約数和(自身を除く): 15933843

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 36293, 108879, 254051, 762153, 1342841, 4028523, 9399887, 28199661]

約数ペア:

[(1, 28199661), (3, 9399887), (7, 4028523), (21, 1342841), (37, 762153), (111, 254051), (259, 108879), (777, 36293)]