27641905

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{1549}}^1$

素因数の和:1680

約数の個数: 16

約数和(自身を含む): 34372800

約数和(自身を除く): 6730895

約数列:

[1, 5, 43, 83, 215, 415, 1549, 3569, 7745, 17845, 66607, 128567, 333035, 642835, 5528381, 27641905]

約数ペア:

[(1, 27641905), (5, 5528381), (43, 642835), (83, 333035), (215, 128567), (415, 66607), (1549, 17845), (3569, 7745)]