181239891

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{128813}}^1$

素因数の和:128890

約数の個数: 16

約数和(自身を含む): 280299264

約数和(自身を除く): 99059373

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 128813, 386439, 901691, 2705073, 8630471, 25891413, 60413297, 181239891]

約数ペア:

[(1, 181239891), (3, 60413297), (7, 25891413), (21, 8630471), (67, 2705073), (201, 901691), (469, 386439), (1407, 128813)]