1978561827

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{811}}^1\times {\mathrm{1297}}^1$

素因数の和:2144

約数の個数: 48

約数和(自身を含む): 3288405120

約数和(自身を除く): 1309843293

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 811, 1297, 1881, 2433, 3891, 7299, 8921, 11673, 14267, 15409, 24643, 26763, 42801, 46227, 73929, 80289, 128403, 138681, 169499, 221787, 271073, 508497, 813219, 1051867, 1525491, 2439657, 3155601, 9466803, 11570537, 19985473, 34711611, 59956419, 104134833, 179869257, 219840203, 659520609, 1978561827]

約数ペア:

[(1, 1978561827), (3, 659520609), (9, 219840203), (11, 179869257), (19, 104134833), (33, 59956419), (57, 34711611), (99, 19985473), (171, 11570537), (209, 9466803), (627, 3155601), (811, 2439657), (1297, 1525491), (1881, 1051867), (2433, 813219), (3891, 508497), (7299, 271073), (8921, 221787), (11673, 169499), (14267, 138681), (15409, 128403), (24643, 80289), (26763, 73929), (42801, 46227)]