77278089

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{367}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 121716736

約数和(自身を除く): 44438647

約数列:

[1, 3, 7, 21, 37, 111, 259, 271, 367, 777, 813, 1101, 1897, 2569, 5691, 7707, 10027, 13579, 30081, 40737, 70189, 95053, 99457, 210567, 285159, 298371, 696199, 2088597, 3679909, 11039727, 25759363, 77278089]

約数ペア:

[(1, 77278089), (3, 25759363), (7, 11039727), (21, 3679909), (37, 2088597), (111, 696199), (259, 298371), (271, 285159), (367, 210567), (777, 99457), (813, 95053), (1101, 70189), (1897, 40737), (2569, 30081), (5691, 13579), (7707, 10027)]