319683885

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{4397}}^1$

素因数の和:4573

約数の個数: 32

約数和(自身を含む): 529448832

約数和(自身を除く): 209764947

約数列:

[1, 3, 5, 15, 37, 111, 131, 185, 393, 555, 655, 1965, 4397, 4847, 13191, 14541, 21985, 24235, 65955, 72705, 162689, 488067, 576007, 813445, 1728021, 2440335, 2880035, 8640105, 21312259, 63936777, 106561295, 319683885]

約数ペア:

[(1, 319683885), (3, 106561295), (5, 63936777), (15, 21312259), (37, 8640105), (111, 2880035), (131, 2440335), (185, 1728021), (393, 813445), (555, 576007), (655, 488067), (1965, 162689), (4397, 72705), (4847, 65955), (13191, 24235), (14541, 21985)]