81404109

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1907}}^1$

素因数の和:1967

約数の個数: 40

約数和(自身を含む): 132979968

約数和(自身を除く): 51575859

約数列:

[1, 3, 9, 17, 27, 31, 51, 81, 93, 153, 279, 459, 527, 837, 1377, 1581, 1907, 2511, 4743, 5721, 14229, 17163, 32419, 42687, 51489, 59117, 97257, 154467, 177351, 291771, 532053, 875313, 1004989, 1596159, 2625939, 3014967, 4788477, 9044901, 27134703, 81404109]

約数ペア:

[(1, 81404109), (3, 27134703), (9, 9044901), (17, 4788477), (27, 3014967), (31, 2625939), (51, 1596159), (81, 1004989), (93, 875313), (153, 532053), (279, 291771), (459, 177351), (527, 154467), (837, 97257), (1377, 59117), (1581, 51489), (1907, 42687), (2511, 32419), (4743, 17163), (5721, 14229)]