27991065

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{43397}}^1$

素因数の和:43448

約数の個数: 16

約数和(自身を含む): 45828288

約数和(自身を除く): 17837223

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 43397, 130191, 216985, 650955, 1866071, 5598213, 9330355, 27991065]

約数ペア:

[(1, 27991065), (3, 9330355), (5, 5598213), (15, 1866071), (43, 650955), (129, 216985), (215, 130191), (645, 43397)]