28299891

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1\times {\mathrm{509}}^1$

素因数の和:986

約数の個数: 16

約数和(自身を含む): 38776320

約数和(自身を除く): 10476429

約数列:

[1, 3, 43, 129, 431, 509, 1293, 1527, 18533, 21887, 55599, 65661, 219379, 658137, 9433297, 28299891]

約数ペア:

[(1, 28299891), (3, 9433297), (43, 658137), (129, 219379), (431, 65661), (509, 55599), (1293, 21887), (1527, 18533)]