173813121

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{112939}}^1$

素因数の和:112970

約数の個数: 20

約数和(自身を含む): 273314800

約数和(自身を除く): 99501679

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 112939, 338817, 1016451, 2145841, 3049353, 6437523, 9148059, 19312569, 57937707, 173813121]

約数ペア:

[(1, 173813121), (3, 57937707), (9, 19312569), (19, 9148059), (27, 6437523), (57, 3049353), (81, 2145841), (171, 1016451), (513, 338817), (1539, 112939)]