12887325

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:195

約数の個数: 72

約数和(自身を含む): 25998336

約数和(自身を除く): 13111011

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 41, 45, 55, 75, 99, 123, 127, 165, 205, 225, 275, 369, 381, 451, 495, 615, 635, 825, 1025, 1143, 1353, 1397, 1845, 1905, 2255, 2475, 3075, 3175, 4059, 4191, 5207, 5715, 6765, 6985, 9225, 9525, 11275, 12573, 15621, 20295, 20955, 26035, 28575, 33825, 34925, 46863, 57277, 62865, 78105, 101475, 104775, 130175, 171831, 234315, 286385, 314325, 390525, 515493, 859155, 1171575, 1431925, 2577465, 4295775, 12887325]

約数ペア:

[(1, 12887325), (3, 4295775), (5, 2577465), (9, 1431925), (11, 1171575), (15, 859155), (25, 515493), (33, 390525), (41, 314325), (45, 286385), (55, 234315), (75, 171831), (99, 130175), (123, 104775), (127, 101475), (165, 78105), (205, 62865), (225, 57277), (275, 46863), (369, 34925), (381, 33825), (451, 28575), (495, 26035), (615, 20955), (635, 20295), (825, 15621), (1025, 12573), (1143, 11275), (1353, 9525), (1397, 9225), (1845, 6985), (1905, 6765), (2255, 5715), (2475, 5207), (3075, 4191), (3175, 4059)]