203438151

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:721

約数の個数: 72

約数和(自身を含む): 368769024

約数和(自身を除く): 165330873

約数列:

[1, 3, 7, 9, 21, 23, 31, 49, 63, 69, 93, 147, 161, 207, 217, 279, 441, 483, 647, 651, 713, 1127, 1449, 1519, 1941, 1953, 2139, 3381, 4529, 4557, 4991, 5823, 6417, 10143, 13587, 13671, 14881, 14973, 20057, 31703, 34937, 40761, 44643, 44919, 60171, 95109, 104167, 104811, 133929, 140399, 180513, 285327, 312501, 314433, 421197, 461311, 729169, 937503, 982793, 1263591, 1383933, 2187507, 2948379, 3229177, 4151799, 6562521, 8845137, 9687531, 22604239, 29062593, 67812717, 203438151]

約数ペア:

[(1, 203438151), (3, 67812717), (7, 29062593), (9, 22604239), (21, 9687531), (23, 8845137), (31, 6562521), (49, 4151799), (63, 3229177), (69, 2948379), (93, 2187507), (147, 1383933), (161, 1263591), (207, 982793), (217, 937503), (279, 729169), (441, 461311), (483, 421197), (647, 314433), (651, 312501), (713, 285327), (1127, 180513), (1449, 140399), (1519, 133929), (1941, 104811), (1953, 104167), (2139, 95109), (3381, 60171), (4529, 44919), (4557, 44643), (4991, 40761), (5823, 34937), (6417, 31703), (10143, 20057), (13587, 14973), (13671, 14881)]