81245269

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{17401}}^1$

素因数の和:17460

約数の個数: 16

約数和(自身を含む): 100235520

約数和(自身を除く): 18990251

約数列:

[1, 7, 23, 29, 161, 203, 667, 4669, 17401, 121807, 400223, 504629, 2801561, 3532403, 11606467, 81245269]

約数ペア:

[(1, 81245269), (7, 11606467), (23, 3532403), (29, 2801561), (161, 504629), (203, 400223), (667, 121807), (4669, 17401)]