30747681

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{19979}}^1$

素因数の和:20010

約数の個数: 20

約数和(自身を含む): 48351600

約数和(自身を除く): 17603919

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 19979, 59937, 179811, 379601, 539433, 1138803, 1618299, 3416409, 10249227, 30747681]

約数ペア:

[(1, 30747681), (3, 10249227), (9, 3416409), (19, 1618299), (27, 1138803), (57, 539433), (81, 379601), (171, 179811), (513, 59937), (1539, 19979)]