66418947

素因数分解:

$3^5\times 7^1\times {\mathrm{39047}}^1$

素因数の和:39069

約数の個数: 24

約数和(自身を含む): 113707776

約数和(自身を除く): 47288829

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 39047, 117141, 273329, 351423, 819987, 1054269, 2459961, 3162807, 7379883, 9488421, 22139649, 66418947]

約数ペア:

[(1, 66418947), (3, 22139649), (7, 9488421), (9, 7379883), (21, 3162807), (27, 2459961), (63, 1054269), (81, 819987), (189, 351423), (243, 273329), (567, 117141), (1701, 39047)]