205607187

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 332697600

約数和(自身を除く): 127090413

約数列:

[1, 3, 9, 27, 29, 37, 47, 87, 111, 141, 151, 261, 333, 423, 453, 783, 999, 1073, 1269, 1359, 1363, 1739, 3219, 4077, 4089, 4379, 5217, 5587, 7097, 9657, 12267, 13137, 15651, 16761, 21291, 28971, 36801, 39411, 46953, 50283, 50431, 63873, 118233, 150849, 151293, 162023, 191619, 205813, 262589, 453879, 486069, 617439, 787767, 1361637, 1458207, 1852317, 2363301, 4374621, 5556951, 7089903, 7615081, 22845243, 68535729, 205607187]

約数ペア:

[(1, 205607187), (3, 68535729), (9, 22845243), (27, 7615081), (29, 7089903), (37, 5556951), (47, 4374621), (87, 2363301), (111, 1852317), (141, 1458207), (151, 1361637), (261, 787767), (333, 617439), (423, 486069), (453, 453879), (783, 262589), (999, 205813), (1073, 191619), (1269, 162023), (1359, 151293), (1363, 150849), (1739, 118233), (3219, 63873), (4077, 50431), (4089, 50283), (4379, 46953), (5217, 39411), (5587, 36801), (7097, 28971), (9657, 21291), (12267, 16761), (13137, 15651)]