778897809

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{191}}^1\times {\mathrm{2069}}^1$

素因数の和:2342

約数の個数: 32

約数和(自身を含む): 1176422400

約数和(自身を除く): 397524591

約数列:

[1, 3, 9, 27, 73, 191, 219, 573, 657, 1719, 1971, 2069, 5157, 6207, 13943, 18621, 41829, 55863, 125487, 151037, 376461, 395179, 453111, 1185537, 1359333, 3556611, 4077999, 10669833, 28848067, 86544201, 259632603, 778897809]

約数ペア:

[(1, 778897809), (3, 259632603), (9, 86544201), (27, 28848067), (73, 10669833), (191, 4077999), (219, 3556611), (573, 1359333), (657, 1185537), (1719, 453111), (1971, 395179), (2069, 376461), (5157, 151037), (6207, 125487), (13943, 55863), (18621, 41829)]