42397905

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{256957}}^1$

素因数の和:256976

約数の個数: 16

約数和(自身を含む): 74003904

約数和(自身を除く): 31605999

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 256957, 770871, 1284785, 2826527, 3854355, 8479581, 14132635, 42397905]

約数ペア:

[(1, 42397905), (3, 14132635), (5, 8479581), (11, 3854355), (15, 2826527), (33, 1284785), (55, 770871), (165, 256957)]