903105

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:126

約数の個数: 48

約数和(自身を含む): 1857024

約数和(自身を除く): 953919

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 47, 61, 63, 105, 141, 183, 235, 305, 315, 329, 423, 427, 549, 705, 915, 987, 1281, 1645, 2115, 2135, 2745, 2867, 2961, 3843, 4935, 6405, 8601, 14335, 14805, 19215, 20069, 25803, 43005, 60207, 100345, 129015, 180621, 301035, 903105]

約数ペア:

[(1, 903105), (3, 301035), (5, 180621), (7, 129015), (9, 100345), (15, 60207), (21, 43005), (35, 25803), (45, 20069), (47, 19215), (61, 14805), (63, 14335), (105, 8601), (141, 6405), (183, 4935), (235, 3843), (305, 2961), (315, 2867), (329, 2745), (423, 2135), (427, 2115), (549, 1645), (705, 1281), (915, 987)]