81855235

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{4339}}^1$

素因数の和:4376

約数の個数: 32

約数和(自身を含む): 124992000

約数和(自身を除く): 43136765

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 343, 385, 539, 1715, 2695, 3773, 4339, 18865, 21695, 30373, 47729, 151865, 212611, 238645, 334103, 1063055, 1488277, 1670515, 2338721, 7441385, 11693605, 16371047, 81855235]

約数ペア:

[(1, 81855235), (5, 16371047), (7, 11693605), (11, 7441385), (35, 2338721), (49, 1670515), (55, 1488277), (77, 1063055), (245, 334103), (343, 238645), (385, 212611), (539, 151865), (1715, 47729), (2695, 30373), (3773, 21695), (4339, 18865)]