647806977

素因数分解:

$3^4\times {\mathrm{173}}^1\times {\mathrm{46229}}^1$

素因数の和:46414

約数の個数: 20

約数和(自身を含む): 973326420

約数和(自身を除く): 325519443

約数列:

[1, 3, 9, 27, 81, 173, 519, 1557, 4671, 14013, 46229, 138687, 416061, 1248183, 3744549, 7997617, 23992851, 71978553, 215935659, 647806977]

約数ペア:

[(1, 647806977), (3, 215935659), (9, 71978553), (27, 23992851), (81, 7997617), (173, 3744549), (519, 1248183), (1557, 416061), (4671, 138687), (14013, 46229)]