87768639

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{10169}}^1$

素因数の和:10319

約数の個数: 24

約数和(自身を含む): 145959840

約数和(自身を除く): 58191201

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 1233, 2877, 8631, 10169, 30507, 71183, 91521, 213549, 640647, 1393153, 4179459, 9752071, 12538377, 29256213, 87768639]

約数ペア:

[(1, 87768639), (3, 29256213), (7, 12538377), (9, 9752071), (21, 4179459), (63, 1393153), (137, 640647), (411, 213549), (959, 91521), (1233, 71183), (2877, 30507), (8631, 10169)]