243150985

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{12889}}^1$

素因数の和:12926

約数の個数: 32

約数和(自身を含む): 371232000

約数和(自身を除く): 128081015

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 343, 385, 539, 1715, 2695, 3773, 12889, 18865, 64445, 90223, 141779, 451115, 631561, 708895, 992453, 3157805, 4420927, 4962265, 6947171, 22104635, 34735855, 48630197, 243150985]

約数ペア:

[(1, 243150985), (5, 48630197), (7, 34735855), (11, 22104635), (35, 6947171), (49, 4962265), (55, 4420927), (77, 3157805), (245, 992453), (343, 708895), (385, 631561), (539, 451115), (1715, 141779), (2695, 90223), (3773, 64445), (12889, 18865)]