131296921

素因数分解:

$7^2\times {\mathrm{229}}^1\times {\mathrm{11701}}^1$

素因数の和:11944

約数の個数: 12

約数和(自身を含む): 153413220

約数和(自身を除く): 22116299

約数列:

[1, 7, 49, 229, 1603, 11221, 11701, 81907, 573349, 2679529, 18756703, 131296921]

約数ペア:

[(1, 131296921), (7, 18756703), (49, 2679529), (229, 573349), (1603, 81907), (11221, 11701)]