254331279

素因数分解:

$3^3\times {\mathrm{173}}^1\times {\mathrm{54449}}^1$

素因数の和:54631

約数の個数: 16

約数和(自身を含む): 378972000

約数和(自身を除く): 124640721

約数列:

[1, 3, 9, 27, 173, 519, 1557, 4671, 54449, 163347, 490041, 1470123, 9419677, 28259031, 84777093, 254331279]

約数ペア:

[(1, 254331279), (3, 84777093), (9, 28259031), (27, 9419677), (173, 1470123), (519, 490041), (1557, 163347), (4671, 54449)]