227969847

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{659}}^1$

素因数の和:725

約数の個数: 72

約数和(自身を含む): 421449600

約数和(自身を除く): 193479753

約数列:

[1, 3, 7, 9, 17, 19, 21, 51, 57, 63, 119, 133, 153, 171, 289, 323, 357, 399, 659, 867, 969, 1071, 1197, 1977, 2023, 2261, 2601, 2907, 4613, 5491, 5931, 6069, 6783, 11203, 12521, 13839, 16473, 18207, 20349, 33609, 37563, 38437, 41517, 49419, 78421, 87647, 100827, 112689, 115311, 190451, 212857, 235263, 262941, 345933, 571353, 638571, 705789, 788823, 1333157, 1489999, 1714059, 1915713, 3618569, 3999471, 4469997, 10855707, 11998413, 13409991, 25329983, 32567121, 75989949, 227969847]

約数ペア:

[(1, 227969847), (3, 75989949), (7, 32567121), (9, 25329983), (17, 13409991), (19, 11998413), (21, 10855707), (51, 4469997), (57, 3999471), (63, 3618569), (119, 1915713), (133, 1714059), (153, 1489999), (171, 1333157), (289, 788823), (323, 705789), (357, 638571), (399, 571353), (659, 345933), (867, 262941), (969, 235263), (1071, 212857), (1197, 190451), (1977, 115311), (2023, 112689), (2261, 100827), (2601, 87647), (2907, 78421), (4613, 49419), (5491, 41517), (5931, 38437), (6069, 37563), (6783, 33609), (11203, 20349), (12521, 18207), (13839, 16473)]