247836321

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{173191}}^1$

素因数の和:173253

約数の個数: 16

約数和(自身を含む): 374094720

約数和(自身を除く): 126258399

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 173191, 519573, 1558719, 4676157, 9179123, 27537369, 82612107, 247836321]

約数ペア:

[(1, 247836321), (3, 82612107), (9, 27537369), (27, 9179123), (53, 4676157), (159, 1558719), (477, 519573), (1431, 173191)]