78343209

素因数分解:

$3^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{3011}}^1$

素因数の和:3090

約数の個数: 36

約数和(自身を含む): 133913520

約数和(自身を除く): 55570311

約数列:

[1, 3, 7, 9, 21, 49, 59, 63, 147, 177, 413, 441, 531, 1239, 2891, 3011, 3717, 8673, 9033, 21077, 26019, 27099, 63231, 147539, 177649, 189693, 442617, 532947, 1243543, 1327851, 1598841, 3730629, 8704801, 11191887, 26114403, 78343209]

約数ペア:

[(1, 78343209), (3, 26114403), (7, 11191887), (9, 8704801), (21, 3730629), (49, 1598841), (59, 1327851), (63, 1243543), (147, 532947), (177, 442617), (413, 189693), (441, 177649), (531, 147539), (1239, 63231), (2891, 27099), (3011, 26019), (3717, 21077), (8673, 9033)]