215866815

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^2\times {\mathrm{2089}}^1$

素因数の和:2263

約数の個数: 24

約数和(自身を含む): 349765680

約数和(自身を除く): 133898865

約数列:

[1, 3, 5, 15, 83, 249, 415, 1245, 2089, 6267, 6889, 10445, 20667, 31335, 34445, 103335, 173387, 520161, 866935, 2600805, 14391121, 43173363, 71955605, 215866815]

約数ペア:

[(1, 215866815), (3, 71955605), (5, 43173363), (15, 14391121), (83, 2600805), (249, 866935), (415, 520161), (1245, 173387), (2089, 103335), (6267, 34445), (6889, 31335), (10445, 20667)]