56145531

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{21487}}^1$

素因数の和:21570

約数の個数: 16

約数和(自身を含む): 81826304

約数和(自身を除く): 25680773

約数列:

[1, 3, 13, 39, 67, 201, 871, 2613, 21487, 64461, 279331, 837993, 1439629, 4318887, 18715177, 56145531]

約数ペア:

[(1, 56145531), (3, 18715177), (13, 4318887), (39, 1439629), (67, 837993), (201, 279331), (871, 64461), (2613, 21487)]