42730905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21419}}^1$

素因数の和:21453

約数の個数: 32

約数和(自身を含む): 82252800

約数和(自身を除く): 39521895

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 21419, 64257, 107095, 149933, 321285, 406961, 449799, 749665, 1220883, 2034805, 2248995, 2848727, 6104415, 8546181, 14243635, 42730905]

約数ペア:

[(1, 42730905), (3, 14243635), (5, 8546181), (7, 6104415), (15, 2848727), (19, 2248995), (21, 2034805), (35, 1220883), (57, 749665), (95, 449799), (105, 406961), (133, 321285), (285, 149933), (399, 107095), (665, 64257), (1995, 21419)]