25254405

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{313}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 48200256

約数和(自身を除く): 22945851

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 163, 165, 313, 489, 495, 815, 939, 1467, 1565, 1793, 2445, 2817, 3443, 4695, 5379, 7335, 8965, 10329, 14085, 16137, 17215, 26895, 30987, 51019, 51645, 80685, 153057, 154935, 255095, 459171, 561209, 765285, 1683627, 2295855, 2806045, 5050881, 8418135, 25254405]

約数ペア:

[(1, 25254405), (3, 8418135), (5, 5050881), (9, 2806045), (11, 2295855), (15, 1683627), (33, 765285), (45, 561209), (55, 459171), (99, 255095), (163, 154935), (165, 153057), (313, 80685), (489, 51645), (495, 51019), (815, 30987), (939, 26895), (1467, 17215), (1565, 16137), (1793, 14085), (2445, 10329), (2817, 8965), (3443, 7335), (4695, 5379)]