204865215

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{803393}}^1$

素因数の和:803418

約数の個数: 16

約数和(自身を含む): 347066208

約数和(自身を除く): 142200993

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 803393, 2410179, 4016965, 12050895, 13657681, 40973043, 68288405, 204865215]

約数ペア:

[(1, 204865215), (3, 68288405), (5, 40973043), (15, 13657681), (17, 12050895), (51, 4016965), (85, 2410179), (255, 803393)]