81304857

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{158489}}^1$

素因数の和:158517

約数の個数: 16

約数和(自身を含む): 126792000

約数和(自身を除く): 45487143

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 158489, 475467, 1426401, 3011291, 4279203, 9033873, 27101619, 81304857]

約数ペア:

[(1, 81304857), (3, 27101619), (9, 9033873), (19, 4279203), (27, 3011291), (57, 1426401), (171, 475467), (513, 158489)]