87712227

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{56993}}^1$

素因数の和:57024

約数の個数: 20

約数和(自身を含む): 137925480

約数和(自身を除く): 50213253

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 56993, 170979, 512937, 1082867, 1538811, 3248601, 4616433, 9745803, 29237409, 87712227]

約数ペア:

[(1, 87712227), (3, 29237409), (9, 9745803), (19, 4616433), (27, 3248601), (57, 1538811), (81, 1082867), (171, 512937), (513, 170979), (1539, 56993)]