180716221

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{18401}}^1$

素因数の和:18492

約数の個数: 16

約数和(自身を含む): 219057408

約数和(自身を除く): 38341187

約数列:

[1, 7, 23, 61, 161, 427, 1403, 9821, 18401, 128807, 423223, 1122461, 2962561, 7857227, 25816603, 180716221]

約数ペア:

[(1, 180716221), (7, 25816603), (23, 7857227), (61, 2962561), (161, 1122461), (427, 423223), (1403, 128807), (9821, 18401)]