42147921

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1\times {\mathrm{881}}^1$

素因数の和:1352

約数の個数: 16

約数和(自身を含む): 57915648

約数和(自身を除く): 15767727

約数列:

[1, 3, 37, 111, 431, 881, 1293, 2643, 15947, 32597, 47841, 97791, 379711, 1139133, 14049307, 42147921]

約数ペア:

[(1, 42147921), (3, 14049307), (37, 1139133), (111, 379711), (431, 97791), (881, 47841), (1293, 32597), (2643, 15947)]