71238789

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:550

約数の個数: 36

約数和(自身を含む): 111348900

約数和(自身を除く): 40110111

約数列:

[1, 3, 9, 17, 51, 61, 153, 183, 289, 449, 549, 867, 1037, 1347, 2601, 3111, 4041, 7633, 9333, 17629, 22899, 27389, 52887, 68697, 82167, 129761, 158661, 246501, 389283, 465613, 1167849, 1396839, 4190517, 7915421, 23746263, 71238789]

約数ペア:

[(1, 71238789), (3, 23746263), (9, 7915421), (17, 4190517), (51, 1396839), (61, 1167849), (153, 465613), (183, 389283), (289, 246501), (449, 158661), (549, 129761), (867, 82167), (1037, 68697), (1347, 52887), (2601, 27389), (3111, 22899), (4041, 17629), (7633, 9333)]