28675809

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{691}}^1$

素因数の和:782

約数の個数: 32

約数和(自身を含む): 44841600

約数和(自身を除く): 16165791

約数列:

[1, 3, 9, 27, 29, 53, 87, 159, 261, 477, 691, 783, 1431, 1537, 2073, 4611, 6219, 13833, 18657, 20039, 36623, 41499, 60117, 109869, 180351, 329607, 541053, 988821, 1062067, 3186201, 9558603, 28675809]

約数ペア:

[(1, 28675809), (3, 9558603), (9, 3186201), (27, 1062067), (29, 988821), (53, 541053), (87, 329607), (159, 180351), (261, 109869), (477, 60117), (691, 41499), (783, 36623), (1431, 20039), (1537, 18657), (2073, 13833), (4611, 6219)]