28917189

素因数分解:

$3^3\times 7^1\times {\mathrm{153001}}^1$

素因数の和:153017

約数の個数: 16

約数和(自身を含む): 48960640

約数和(自身を除く): 20043451

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 153001, 459003, 1071007, 1377009, 3213021, 4131027, 9639063, 28917189]

約数ペア:

[(1, 28917189), (3, 9639063), (7, 4131027), (9, 3213021), (21, 1377009), (27, 1071007), (63, 459003), (189, 153001)]