27820355

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{1559}}^1$

素因数の和:1690

約数の個数: 16

約数和(自身を含む): 34594560

約数和(自身を除く): 6774205

約数列:

[1, 5, 43, 83, 215, 415, 1559, 3569, 7795, 17845, 67037, 129397, 335185, 646985, 5564071, 27820355]

約数ペア:

[(1, 27820355), (5, 5564071), (43, 646985), (83, 335185), (215, 129397), (415, 67037), (1559, 17845), (3569, 7795)]