164038665

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{21401}}^1$

素因数の和:21489

約数の個数: 32

約数和(自身を含む): 304079616

約数和(自身を除く): 140040951

約数列:

[1, 3, 5, 7, 15, 21, 35, 73, 105, 219, 365, 511, 1095, 1533, 2555, 7665, 21401, 64203, 107005, 149807, 321015, 449421, 749035, 1562273, 2247105, 4686819, 7811365, 10935911, 23434095, 32807733, 54679555, 164038665]

約数ペア:

[(1, 164038665), (3, 54679555), (5, 32807733), (7, 23434095), (15, 10935911), (21, 7811365), (35, 4686819), (73, 2247105), (105, 1562273), (219, 749035), (365, 449421), (511, 321015), (1095, 149807), (1533, 107005), (2555, 64203), (7665, 21401)]