28371189

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{122819}}^1$

素因数の和:122840

約数の個数: 16

約数和(自身を含む): 47162880

約数和(自身を除く): 18791691

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 122819, 368457, 859733, 1351009, 2579199, 4053027, 9457063, 28371189]

約数ペア:

[(1, 28371189), (3, 9457063), (7, 4053027), (11, 2579199), (21, 1351009), (33, 859733), (77, 368457), (231, 122819)]