287589731

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{421}}^1$

素因数の和:743

約数の個数: 32

約数和(自身を含む): 359868096

約数和(自身を除く): 72278365

約数列:

[1, 11, 13, 17, 143, 187, 221, 281, 421, 2431, 3091, 3653, 4631, 4777, 5473, 7157, 40183, 52547, 60203, 62101, 78727, 93041, 118301, 683111, 1023451, 1301311, 1537913, 2011117, 16917043, 22122287, 26144521, 287589731]

約数ペア:

[(1, 287589731), (11, 26144521), (13, 22122287), (17, 16917043), (143, 2011117), (187, 1537913), (221, 1301311), (281, 1023451), (421, 683111), (2431, 118301), (3091, 93041), (3653, 78727), (4631, 62101), (4777, 60203), (5473, 52547), (7157, 40183)]