28053291

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{70309}}^1$

素因数の和:70338

約数の個数: 16

約数和(自身を含む): 44998400

約数和(自身を除く): 16945109

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 70309, 210927, 492163, 1335871, 1476489, 4007613, 9351097, 28053291]

約数ペア:

[(1, 28053291), (3, 9351097), (7, 4007613), (19, 1476489), (21, 1335871), (57, 492163), (133, 210927), (399, 70309)]