3886947

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{1021}}^1$

素因数の和:1080

約数の個数: 20

約数和(自身を含む): 5935776

約数和(自身を除く): 2048829

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1021, 1269, 3063, 3807, 9189, 27567, 47987, 82701, 143961, 431883, 1295649, 3886947]

約数ペア:

[(1, 3886947), (3, 1295649), (9, 431883), (27, 143961), (47, 82701), (81, 47987), (141, 27567), (423, 9189), (1021, 3807), (1269, 3063)]