31492989

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{991}}^1$

素因数の和:1118

約数の個数: 32

約数和(自身を含む): 51425280

約数和(自身を除く): 19932291

約数列:

[1, 3, 9, 11, 27, 33, 99, 107, 297, 321, 963, 991, 1177, 2889, 2973, 3531, 8919, 10593, 10901, 26757, 31779, 32703, 98109, 106037, 294327, 318111, 954333, 1166407, 2862999, 3499221, 10497663, 31492989]

約数ペア:

[(1, 31492989), (3, 10497663), (9, 3499221), (11, 2862999), (27, 1166407), (33, 954333), (99, 318111), (107, 294327), (297, 106037), (321, 98109), (963, 32703), (991, 31779), (1177, 26757), (2889, 10901), (2973, 10593), (3531, 8919)]