28150388637

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{18880207}}^1$

素因数の和:18880288

約数の個数: 16

約数和(自身を含む): 43499999232

約数和(自身を除く): 15349610595

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 18880207, 56640621, 132161449, 396484347, 1340494697, 4021484091, 9383462879, 28150388637]

約数ペア:

[(1, 28150388637), (3, 9383462879), (7, 4021484091), (21, 1340494697), (71, 396484347), (213, 132161449), (497, 56640621), (1491, 18880207)]