53137215

素因数分解:

$3^4\times 5^1\times {\mathrm{131203}}^1$

素因数の和:131220

約数の個数: 20

約数和(自身を含む): 95254104

約数和(自身を除く): 42116889

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 131203, 393609, 656015, 1180827, 1968045, 3542481, 5904135, 10627443, 17712405, 53137215]

約数ペア:

[(1, 53137215), (3, 17712405), (5, 10627443), (9, 5904135), (15, 3542481), (27, 1968045), (45, 1180827), (81, 656015), (135, 393609), (405, 131203)]