61779159

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:197

約数の個数: 64

約数和(自身を含む): 104186880

約数和(自身を除く): 42407721

約数列:

[1, 3, 9, 13, 27, 37, 39, 67, 71, 111, 117, 201, 213, 333, 351, 481, 603, 639, 871, 923, 999, 1443, 1809, 1917, 2479, 2613, 2627, 2769, 4329, 4757, 7437, 7839, 7881, 8307, 12987, 14271, 22311, 23517, 23643, 24921, 32227, 34151, 42813, 61841, 66933, 70929, 96681, 102453, 128439, 176009, 185523, 290043, 307359, 528027, 556569, 870129, 922077, 1584081, 1669707, 2288117, 4752243, 6864351, 20593053, 61779159]

約数ペア:

[(1, 61779159), (3, 20593053), (9, 6864351), (13, 4752243), (27, 2288117), (37, 1669707), (39, 1584081), (67, 922077), (71, 870129), (111, 556569), (117, 528027), (201, 307359), (213, 290043), (333, 185523), (351, 176009), (481, 128439), (603, 102453), (639, 96681), (871, 70929), (923, 66933), (999, 61841), (1443, 42813), (1809, 34151), (1917, 32227), (2479, 24921), (2613, 23643), (2627, 23517), (2769, 22311), (4329, 14271), (4757, 12987), (7437, 8307), (7839, 7881)]