218291985

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{4019}}^1$

素因数の和:4118

約数の個数: 48

約数和(自身を含む): 406373760

約数和(自身を除く): 188081775

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 71, 85, 153, 213, 255, 355, 639, 765, 1065, 1207, 3195, 3621, 4019, 6035, 10863, 12057, 18105, 20095, 36171, 54315, 60285, 68323, 180855, 204969, 285349, 341615, 614907, 856047, 1024845, 1426745, 2568141, 3074535, 4280235, 4850933, 12840705, 14552799, 24254665, 43658397, 72763995, 218291985]

約数ペア:

[(1, 218291985), (3, 72763995), (5, 43658397), (9, 24254665), (15, 14552799), (17, 12840705), (45, 4850933), (51, 4280235), (71, 3074535), (85, 2568141), (153, 1426745), (213, 1024845), (255, 856047), (355, 614907), (639, 341615), (765, 285349), (1065, 204969), (1207, 180855), (3195, 68323), (3621, 60285), (4019, 54315), (6035, 36171), (10863, 20095), (12057, 18105)]