78569379

素因数分解:

$3^3\times 7^1\times {\mathrm{199}}^1\times {\mathrm{2089}}^1$

素因数の和:2304

約数の個数: 32

約数和(自身を含む): 133760000

約数和(自身を除く): 55190621

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 199, 597, 1393, 1791, 2089, 4179, 5373, 6267, 12537, 14623, 18801, 37611, 43869, 56403, 131607, 394821, 415711, 1247133, 2909977, 3741399, 8729931, 11224197, 26189793, 78569379]

約数ペア:

[(1, 78569379), (3, 26189793), (7, 11224197), (9, 8729931), (21, 3741399), (27, 2909977), (63, 1247133), (189, 415711), (199, 394821), (597, 131607), (1393, 56403), (1791, 43869), (2089, 37611), (4179, 18801), (5373, 14623), (6267, 12537)]