2845557

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:111

約数の個数: 48

約数和(自身を含む): 5064640

約数和(自身を除く): 2219083

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 67, 99, 117, 121, 143, 201, 297, 351, 363, 429, 603, 737, 871, 1089, 1287, 1573, 1809, 2211, 2613, 3267, 3861, 4719, 6633, 7839, 8107, 9581, 14157, 19899, 23517, 24321, 28743, 42471, 72963, 86229, 105391, 218889, 258687, 316173, 948519, 2845557]

約数ペア:

[(1, 2845557), (3, 948519), (9, 316173), (11, 258687), (13, 218889), (27, 105391), (33, 86229), (39, 72963), (67, 42471), (99, 28743), (117, 24321), (121, 23517), (143, 19899), (201, 14157), (297, 9581), (351, 8107), (363, 7839), (429, 6633), (603, 4719), (737, 3861), (871, 3267), (1089, 2613), (1287, 2211), (1573, 1809)]