393669369

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{205357}}^1$

素因数の和:205437

約数の個数: 16

約数和(自身を含む): 591431040

約数和(自身を除く): 197761671

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 205357, 616071, 1848213, 5544639, 14580347, 43741041, 131223123, 393669369]

約数ペア:

[(1, 393669369), (3, 131223123), (9, 43741041), (27, 14580347), (71, 5544639), (213, 1848213), (639, 616071), (1917, 205357)]