12728529

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2521}}^1$

素因数の和:2558

約数の個数: 32

約数和(自身を含む): 21790080

約数和(自身を除く): 9061551

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 99, 153, 187, 297, 459, 561, 1683, 2521, 5049, 7563, 22689, 27731, 42857, 68067, 83193, 128571, 249579, 385713, 471427, 748737, 1157139, 1414281, 4242843, 12728529]

約数ペア:

[(1, 12728529), (3, 4242843), (9, 1414281), (11, 1157139), (17, 748737), (27, 471427), (33, 385713), (51, 249579), (99, 128571), (153, 83193), (187, 68067), (297, 42857), (459, 27731), (561, 22689), (1683, 7563), (2521, 5049)]