724302891

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{687847}}^1$

素因数の和:687872

約数の個数: 20

約数和(自身を含む): 1165214512

約数和(自身を除く): 440911621

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 687847, 2063541, 6190623, 8942011, 18571869, 26826033, 55715607, 80478099, 241434297, 724302891]

約数ペア:

[(1, 724302891), (3, 241434297), (9, 80478099), (13, 55715607), (27, 26826033), (39, 18571869), (81, 8942011), (117, 6190623), (351, 2063541), (1053, 687847)]