256742649

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{500473}}^1$

素因数の和:500501

約数の個数: 16

約数和(自身を含む): 400379200

約数和(自身を除く): 143636551

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 500473, 1501419, 4504257, 9508987, 13512771, 28526961, 85580883, 256742649]

約数ペア:

[(1, 256742649), (3, 85580883), (9, 28526961), (19, 13512771), (27, 9508987), (57, 4504257), (171, 1501419), (513, 500473)]