211864575

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:241

約数の個数: 96

約数和(自身を含む): 399974400

約数和(自身を除く): 188109825

約数列:

[1, 3, 5, 13, 15, 25, 29, 39, 59, 65, 75, 87, 127, 145, 177, 195, 295, 325, 377, 381, 435, 635, 725, 767, 885, 975, 1131, 1475, 1651, 1711, 1885, 1905, 2175, 2301, 3175, 3683, 3835, 4425, 4953, 5133, 5655, 7493, 8255, 8555, 9425, 9525, 11049, 11505, 18415, 19175, 22243, 22479, 24765, 25665, 28275, 37465, 41275, 42775, 47879, 55245, 57525, 66729, 92075, 97409, 111215, 112395, 123825, 128325, 143637, 187325, 217297, 239395, 276225, 292227, 333645, 487045, 556075, 561975, 651891, 718185, 1086485, 1196975, 1461135, 1668225, 2435225, 2824861, 3259455, 3590925, 5432425, 7305675, 8474583, 14124305, 16297275, 42372915, 70621525, 211864575]

約数ペア:

[(1, 211864575), (3, 70621525), (5, 42372915), (13, 16297275), (15, 14124305), (25, 8474583), (29, 7305675), (39, 5432425), (59, 3590925), (65, 3259455), (75, 2824861), (87, 2435225), (127, 1668225), (145, 1461135), (177, 1196975), (195, 1086485), (295, 718185), (325, 651891), (377, 561975), (381, 556075), (435, 487045), (635, 333645), (725, 292227), (767, 276225), (885, 239395), (975, 217297), (1131, 187325), (1475, 143637), (1651, 128325), (1711, 123825), (1885, 112395), (1905, 111215), (2175, 97409), (2301, 92075), (3175, 66729), (3683, 57525), (3835, 55245), (4425, 47879), (4953, 42775), (5133, 41275), (5655, 37465), (7493, 28275), (8255, 25665), (8555, 24765), (9425, 22479), (9525, 22243), (11049, 19175), (11505, 18415)]