3906405

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1847}}^1$

素因数の和:1905

約数の個数: 24

約数和(自身を含む): 6918912

約数和(自身を除く): 3012507

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 1847, 2115, 5541, 9235, 16623, 27705, 83115, 86809, 260427, 434045, 781281, 1302135, 3906405]

約数ペア:

[(1, 3906405), (3, 1302135), (5, 781281), (9, 434045), (15, 260427), (45, 86809), (47, 83115), (141, 27705), (235, 16623), (423, 9235), (705, 5541), (1847, 2115)]