71685405

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16091}}^1$

素因数の和:16119

約数の個数: 40

約数和(自身を含む): 140193504

約数和(自身を除く): 68508099

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 297, 405, 495, 891, 1485, 4455, 16091, 48273, 80455, 144819, 177001, 241365, 434457, 531003, 724095, 885005, 1303371, 1593009, 2172285, 2655015, 4779027, 6516855, 7965045, 14337081, 23895135, 71685405]

約数ペア:

[(1, 71685405), (3, 23895135), (5, 14337081), (9, 7965045), (11, 6516855), (15, 4779027), (27, 2655015), (33, 2172285), (45, 1593009), (55, 1303371), (81, 885005), (99, 724095), (135, 531003), (165, 434457), (297, 241365), (405, 177001), (495, 144819), (891, 80455), (1485, 48273), (4455, 16091)]