138508671

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{140333}}^1$

素因数の和:140390

約数の個数: 16

約数和(自身を含む): 215553024

約数和(自身を除く): 77044353

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 140333, 420999, 982331, 2946993, 6595651, 19786953, 46169557, 138508671]

約数ペア:

[(1, 138508671), (3, 46169557), (7, 19786953), (21, 6595651), (47, 2946993), (141, 982331), (329, 420999), (987, 140333)]