2709315

素因数分解:

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

素因数の和:129

約数の個数: 64

約数和(自身を含む): 5713920

約数和(自身を除く): 3004605

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 47, 61, 63, 105, 135, 141, 183, 189, 235, 305, 315, 329, 423, 427, 549, 705, 915, 945, 987, 1269, 1281, 1645, 1647, 2115, 2135, 2745, 2867, 2961, 3843, 4935, 6345, 6405, 8235, 8601, 8883, 11529, 14335, 14805, 19215, 20069, 25803, 43005, 44415, 57645, 60207, 77409, 100345, 129015, 180621, 301035, 387045, 541863, 903105, 2709315]

約数ペア:

[(1, 2709315), (3, 903105), (5, 541863), (7, 387045), (9, 301035), (15, 180621), (21, 129015), (27, 100345), (35, 77409), (45, 60207), (47, 57645), (61, 44415), (63, 43005), (105, 25803), (135, 20069), (141, 19215), (183, 14805), (189, 14335), (235, 11529), (305, 8883), (315, 8601), (329, 8235), (423, 6405), (427, 6345), (549, 4935), (705, 3843), (915, 2961), (945, 2867), (987, 2745), (1269, 2135), (1281, 2115), (1645, 1647)]