1640193405

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6432131}}^1$

素因数の和:6432156

約数の個数: 16

約数和(自身を含む): 2778681024

約数和(自身を除く): 1138487619

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 6432131, 19296393, 32160655, 96481965, 109346227, 328038681, 546731135, 1640193405]

約数ペア:

[(1, 1640193405), (3, 546731135), (5, 328038681), (15, 109346227), (17, 96481965), (51, 32160655), (85, 19296393), (255, 6432131)]