201368541

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{1987}}^1$

素因数の和:2121

約数の個数: 32

約数和(自身を含む): 304593408

約数和(自身を除く): 103224867

約数列:

[1, 3, 11, 33, 37, 83, 111, 249, 407, 913, 1221, 1987, 2739, 3071, 5961, 9213, 21857, 33781, 65571, 73519, 101343, 164921, 220557, 494763, 808709, 1814131, 2426127, 5442393, 6102077, 18306231, 67122847, 201368541]

約数ペア:

[(1, 201368541), (3, 67122847), (11, 18306231), (33, 6102077), (37, 5442393), (83, 2426127), (111, 1814131), (249, 808709), (407, 494763), (913, 220557), (1221, 164921), (1987, 101343), (2739, 73519), (3071, 65571), (5961, 33781), (9213, 21857)]