27987195

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{43391}}^1$

素因数の和:43442

約数の個数: 16

約数和(自身を含む): 45821952

約数和(自身を除く): 17834757

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 43391, 130173, 216955, 650865, 1865813, 5597439, 9329065, 27987195]

約数ペア:

[(1, 27987195), (3, 9329065), (5, 5597439), (15, 1865813), (43, 650865), (129, 216955), (215, 130173), (645, 43391)]