81228447

素因数分解:

$3^3\times {\mathrm{1693}}^1\times {\mathrm{1777}}^1$

素因数の和:3479

約数の個数: 16

約数和(自身を含む): 120477280

約数和(自身を除く): 39248833

約数列:

[1, 3, 9, 27, 1693, 1777, 5079, 5331, 15237, 15993, 45711, 47979, 3008461, 9025383, 27076149, 81228447]

約数ペア:

[(1, 81228447), (3, 27076149), (9, 9025383), (27, 3008461), (1693, 47979), (1777, 45711), (5079, 15993), (5331, 15237)]