28203321957

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1\times {\mathrm{221719}}^1$

素因数の和:222220

約数の個数: 16

約数和(自身を含む): 38047152000

約数和(自身を除く): 9843830043

約数列:

[1, 3, 109, 327, 389, 1167, 42401, 127203, 221719, 665157, 24167371, 72502113, 86248691, 258746073, 9401107319, 28203321957]

約数ペア:

[(1, 28203321957), (3, 9401107319), (109, 258746073), (327, 86248691), (389, 72502113), (1167, 24167371), (42401, 665157), (127203, 221719)]