1281445875

素因数分解:

$3^2\times 5^3\times {\mathrm{127}}^1\times {\mathrm{8969}}^1$

素因数の和:9117

約数の個数: 48

約数和(自身を含む): 2328468480

約数和(自身を除く): 1047022605

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 127, 225, 375, 381, 635, 1125, 1143, 1905, 3175, 5715, 8969, 9525, 15875, 26907, 28575, 44845, 47625, 80721, 134535, 142875, 224225, 403605, 672675, 1121125, 1139063, 2018025, 3363375, 3417189, 5695315, 10090125, 10251567, 17085945, 28476575, 51257835, 85429725, 142382875, 256289175, 427148625, 1281445875]

約数ペア:

[(1, 1281445875), (3, 427148625), (5, 256289175), (9, 142382875), (15, 85429725), (25, 51257835), (45, 28476575), (75, 17085945), (125, 10251567), (127, 10090125), (225, 5695315), (375, 3417189), (381, 3363375), (635, 2018025), (1125, 1139063), (1143, 1121125), (1905, 672675), (3175, 403605), (5715, 224225), (8969, 142875), (9525, 134535), (15875, 80721), (26907, 47625), (28575, 44845)]