205707621

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{146203}}^1$

素因数の和:146280

約数の個数: 16

約数和(自身を含む): 318139904

約数和(自身を除く): 112432283

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 146203, 438609, 1023421, 3070263, 9795601, 29386803, 68569207, 205707621]

約数ペア:

[(1, 205707621), (3, 68569207), (7, 29386803), (21, 9795601), (67, 3070263), (201, 1023421), (469, 438609), (1407, 146203)]