291232143

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 449650656

約数和(自身を除く): 158418513

約数列:

[1, 3, 9, 37, 41, 83, 111, 123, 249, 257, 333, 369, 747, 771, 1517, 2313, 3071, 3403, 4551, 9213, 9509, 10209, 10537, 13653, 21331, 27639, 28527, 30627, 31611, 63993, 85581, 94833, 125911, 191979, 377733, 389869, 789247, 874571, 1133199, 1169607, 2367741, 2623713, 3508821, 7103223, 7871139, 32359127, 97077381, 291232143]

約数ペア:

[(1, 291232143), (3, 97077381), (9, 32359127), (37, 7871139), (41, 7103223), (83, 3508821), (111, 2623713), (123, 2367741), (249, 1169607), (257, 1133199), (333, 874571), (369, 789247), (747, 389869), (771, 377733), (1517, 191979), (2313, 125911), (3071, 94833), (3403, 85581), (4551, 63993), (9213, 31611), (9509, 30627), (10209, 28527), (10537, 27639), (13653, 21331)]