397803405

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{190793}}^1$

素因数の和:190940

約数の個数: 16

約数和(自身を含む): 641067840

約数和(自身を除く): 243264435

約数列:

[1, 3, 5, 15, 139, 417, 695, 2085, 190793, 572379, 953965, 2861895, 26520227, 79560681, 132601135, 397803405]

約数ペア:

[(1, 397803405), (3, 132601135), (5, 79560681), (15, 26520227), (139, 2861895), (417, 953965), (695, 572379), (2085, 190793)]