213517801

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{51787}}^1$

素因数の和:51844

約数の個数: 16

約数和(自身を含む): 265154560

約数和(自身を除く): 51636759

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 51787, 362509, 983953, 1605397, 6887671, 11237779, 30502543, 213517801]

約数ペア:

[(1, 213517801), (7, 30502543), (19, 11237779), (31, 6887671), (133, 1605397), (217, 983953), (589, 362509), (4123, 51787)]