25231869

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:398

約数の個数: 36

約数和(自身を含む): 40338324

約数和(自身を除く): 15106455

約数列:

[1, 3, 9, 13, 39, 53, 117, 159, 169, 313, 477, 507, 689, 939, 1521, 2067, 2817, 4069, 6201, 8957, 12207, 16589, 26871, 36621, 49767, 52897, 80613, 149301, 158691, 215657, 476073, 646971, 1940913, 2803541, 8410623, 25231869]

約数ペア:

[(1, 25231869), (3, 8410623), (9, 2803541), (13, 1940913), (39, 646971), (53, 476073), (117, 215657), (159, 158691), (169, 149301), (313, 80613), (477, 52897), (507, 49767), (689, 36621), (939, 26871), (1521, 16589), (2067, 12207), (2817, 8957), (4069, 6201)]