28080491397

素因数分解:

$3^1\times 7^2\times {\mathrm{811}}^1\times {\mathrm{235541}}^1$

素因数の和:236369

約数の個数: 24

約数和(自身を含む): 43607303712

約数和(自身を除く): 15526812315

約数列:

[1, 3, 7, 21, 49, 147, 811, 2433, 5677, 17031, 39739, 119217, 235541, 706623, 1648787, 4946361, 11541509, 34624527, 191023751, 573071253, 1337166257, 4011498771, 9360163799, 28080491397]

約数ペア:

[(1, 28080491397), (3, 9360163799), (7, 4011498771), (21, 1337166257), (49, 573071253), (147, 191023751), (811, 34624527), (2433, 11541509), (5677, 4946361), (17031, 1648787), (39739, 706623), (119217, 235541)]