808045389

素因数分解:

$3^4\times {\mathrm{211}}^1\times {\mathrm{47279}}^1$

素因数の和:47502

約数の個数: 20

約数和(自身を含む): 1212826560

約数和(自身を除く): 404781171

約数列:

[1, 3, 9, 27, 81, 211, 633, 1899, 5697, 17091, 47279, 141837, 425511, 1276533, 3829599, 9975869, 29927607, 89782821, 269348463, 808045389]

約数ペア:

[(1, 808045389), (3, 269348463), (9, 89782821), (27, 29927607), (81, 9975869), (211, 3829599), (633, 1276533), (1899, 425511), (5697, 141837), (17091, 47279)]