1330481781

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{349483}}^1$

素因数の和:349542

約数の個数: 20

約数和(自身を含む): 2029803072

約数和(自身を除く): 699321291

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 349483, 1048449, 3145347, 9436041, 16425701, 28308123, 49277103, 147831309, 443493927, 1330481781]

約数ペア:

[(1, 1330481781), (3, 443493927), (9, 147831309), (27, 49277103), (47, 28308123), (81, 16425701), (141, 9436041), (423, 3145347), (1269, 1048449), (3807, 349483)]