80720601

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{479}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 120960000

約数和(自身を除く): 40239399

約数列:

[1, 3, 13, 29, 39, 87, 149, 377, 447, 479, 1131, 1437, 1937, 4321, 5811, 6227, 12963, 13891, 18681, 41673, 56173, 71371, 168519, 180583, 214113, 541749, 927823, 2069759, 2783469, 6209277, 26906867, 80720601]

約数ペア:

[(1, 80720601), (3, 26906867), (13, 6209277), (29, 2783469), (39, 2069759), (87, 927823), (149, 541749), (377, 214113), (447, 180583), (479, 168519), (1131, 71371), (1437, 56173), (1937, 41673), (4321, 18681), (5811, 13891), (6227, 12963)]