81137943

素因数分解:

$3^5\times {\mathrm{31}}^1\times {\mathrm{10771}}^1$

素因数の和:10817

約数の個数: 24

約数和(自身を含む): 125472256

約数和(自身を除く): 44334313

約数列:

[1, 3, 9, 27, 31, 81, 93, 243, 279, 837, 2511, 7533, 10771, 32313, 96939, 290817, 333901, 872451, 1001703, 2617353, 3005109, 9015327, 27045981, 81137943]

約数ペア:

[(1, 81137943), (3, 27045981), (9, 9015327), (27, 3005109), (31, 2617353), (81, 1001703), (93, 872451), (243, 333901), (279, 290817), (837, 96939), (2511, 32313), (7533, 10771)]