81202345

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{797}}^1$

素因数の和:921

約数の個数: 32

約数和(自身を含む): 115831296

約数和(自身を除く): 34628951

約数列:

[1, 5, 7, 35, 41, 71, 205, 287, 355, 497, 797, 1435, 2485, 2911, 3985, 5579, 14555, 20377, 27895, 32677, 56587, 101885, 163385, 228739, 282935, 396109, 1143695, 1980545, 2320067, 11600335, 16240469, 81202345]

約数ペア:

[(1, 81202345), (5, 16240469), (7, 11600335), (35, 2320067), (41, 1980545), (71, 1143695), (205, 396109), (287, 282935), (355, 228739), (497, 163385), (797, 101885), (1435, 56587), (2485, 32677), (2911, 27895), (3985, 20377), (5579, 14555)]