66990315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{2861}}^1$

素因数の和:3099

約数の個数: 32

約数和(自身を含む): 123088896

約数和(自身を除く): 56098581

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 223, 669, 1115, 1561, 2861, 3345, 4683, 7805, 8583, 14305, 20027, 23415, 42915, 60081, 100135, 300405, 638003, 1914009, 3190015, 4466021, 9570045, 13398063, 22330105, 66990315]

約数ペア:

[(1, 66990315), (3, 22330105), (5, 13398063), (7, 9570045), (15, 4466021), (21, 3190015), (35, 1914009), (105, 638003), (223, 300405), (669, 100135), (1115, 60081), (1561, 42915), (2861, 23415), (3345, 20027), (4683, 14305), (7805, 8583)]