71217165

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{1543}}^1$

素因数の和:1749

約数の個数: 32

約数和(自身を含む): 121395456

約数和(自身を除く): 50178291

約数列:

[1, 3, 5, 15, 17, 51, 85, 181, 255, 543, 905, 1543, 2715, 3077, 4629, 7715, 9231, 15385, 23145, 26231, 46155, 78693, 131155, 279283, 393465, 837849, 1396415, 4189245, 4747811, 14243433, 23739055, 71217165]

約数ペア:

[(1, 71217165), (3, 23739055), (5, 14243433), (15, 4747811), (17, 4189245), (51, 1396415), (85, 837849), (181, 393465), (255, 279283), (543, 131155), (905, 78693), (1543, 46155), (2715, 26231), (3077, 23145), (4629, 15385), (7715, 9231)]