16631811

素因数分解:

$3^4\times 7^1\times {\mathrm{29333}}^1$

素因数の和:29352

約数の個数: 20

約数和(自身を含む): 28395312

約数和(自身を除く): 11763501

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 29333, 87999, 205331, 263997, 615993, 791991, 1847979, 2375973, 5543937, 16631811]

約数ペア:

[(1, 16631811), (3, 5543937), (7, 2375973), (9, 1847979), (21, 791991), (27, 615993), (63, 263997), (81, 205331), (189, 87999), (567, 29333)]