78016689

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1069}}^1$

素因数の和:1151

約数の個数: 40

約数和(自身を含む): 125844840

約数和(自身を除く): 47828151

約数列:

[1, 3, 9, 17, 27, 51, 53, 81, 153, 159, 459, 477, 901, 1069, 1377, 1431, 2703, 3207, 4293, 8109, 9621, 18173, 24327, 28863, 54519, 56657, 72981, 86589, 163557, 169971, 490671, 509913, 963169, 1472013, 1529739, 2889507, 4589217, 8668521, 26005563, 78016689]

約数ペア:

[(1, 78016689), (3, 26005563), (9, 8668521), (17, 4589217), (27, 2889507), (51, 1529739), (53, 1472013), (81, 963169), (153, 509913), (159, 490671), (459, 169971), (477, 163557), (901, 86589), (1069, 72981), (1377, 56657), (1431, 54519), (2703, 28863), (3207, 24327), (4293, 18173), (8109, 9621)]