207351389

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{31817}}^1$

素因数の和:31857

約数の個数: 16

約数和(自身を含む): 254544000

約数和(自身を除く): 47192611

約数列:

[1, 7, 19, 49, 133, 343, 931, 6517, 31817, 222719, 604523, 1559033, 4231661, 10913231, 29621627, 207351389]

約数ペア:

[(1, 207351389), (7, 29621627), (19, 10913231), (49, 4231661), (133, 1559033), (343, 604523), (931, 222719), (6517, 31817)]