213570945

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{226001}}^1$

素因数の和:226022

約数の個数: 32

約数和(自身を含む): 433923840

約数和(自身を除く): 220352895

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 226001, 678003, 1130005, 1582007, 2034009, 3390015, 4746021, 6102027, 7910035, 10170045, 14238063, 23730105, 30510135, 42714189, 71190315, 213570945]

約数ペア:

[(1, 213570945), (3, 71190315), (5, 42714189), (7, 30510135), (9, 23730105), (15, 14238063), (21, 10170045), (27, 7910035), (35, 6102027), (45, 4746021), (63, 3390015), (105, 2034009), (135, 1582007), (189, 1130005), (315, 678003), (945, 226001)]