12921615

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:181

約数の個数: 96

約数和(自身を含む): 28753920

約数和(自身を除く): 15832305

約数列:

[1, 3, 5, 7, 9, 15, 17, 19, 21, 35, 45, 51, 57, 63, 85, 95, 105, 119, 127, 133, 153, 171, 255, 285, 315, 323, 357, 381, 399, 595, 635, 665, 765, 855, 889, 969, 1071, 1143, 1197, 1615, 1785, 1905, 1995, 2159, 2261, 2413, 2667, 2907, 4445, 4845, 5355, 5715, 5985, 6477, 6783, 7239, 8001, 10795, 11305, 12065, 13335, 14535, 15113, 16891, 19431, 20349, 21717, 32385, 33915, 36195, 40005, 41021, 45339, 50673, 75565, 84455, 97155, 101745, 108585, 123063, 136017, 152019, 205105, 226695, 253365, 287147, 369189, 615315, 680085, 760095, 861441, 1435735, 1845945, 2584323, 4307205, 12921615]

約数ペア:

[(1, 12921615), (3, 4307205), (5, 2584323), (7, 1845945), (9, 1435735), (15, 861441), (17, 760095), (19, 680085), (21, 615315), (35, 369189), (45, 287147), (51, 253365), (57, 226695), (63, 205105), (85, 152019), (95, 136017), (105, 123063), (119, 108585), (127, 101745), (133, 97155), (153, 84455), (171, 75565), (255, 50673), (285, 45339), (315, 41021), (323, 40005), (357, 36195), (381, 33915), (399, 32385), (595, 21717), (635, 20349), (665, 19431), (765, 16891), (855, 15113), (889, 14535), (969, 13335), (1071, 12065), (1143, 11305), (1197, 10795), (1615, 8001), (1785, 7239), (1905, 6783), (1995, 6477), (2159, 5985), (2261, 5715), (2413, 5355), (2667, 4845), (2907, 4445)]