72550821

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{13339}}^1$

素因数の和:13393

約数の個数: 24

約数和(自身を含む): 115577760

約数和(自身を除く): 43026939

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 777, 1813, 5439, 13339, 40017, 93373, 280119, 493543, 653611, 1480629, 1960833, 3454801, 10364403, 24183607, 72550821]

約数ペア:

[(1, 72550821), (3, 24183607), (7, 10364403), (21, 3454801), (37, 1960833), (49, 1480629), (111, 653611), (147, 493543), (259, 280119), (777, 93373), (1813, 40017), (5439, 13339)]